dasar kemagnetan

Upload: ariatman

Post on 11-Feb-2018

261 views

Category:

Documents


1 download

TRANSCRIPT

  • 7/23/2019 Dasar Kemagnetan

    1/28

    HECB@]@O IEK@D@Y 0

    EKEH]YLQ]@]BH@ M@O HEF@COE]@O

    Kefi`y Bonlyf`qb

    @/ F@COE]LQ]@]BH@

    Zeoce}`gu`o hef`coe}`o mb`s`kb meoc`o zeoc`f`}`o }eyg`m`z

    qeyzbg`o i`}u`o ibdb ieqb r`oc dbh` mbc`o}uoch`o qea`y` iei`q `h`o qek`ku

    feouoduh he u}`y` qek`}`o/ uduoc r`oc feouoduh he u}`y` mbqeiu} hu}ui

    u}`y` m`o r`oc k`boor` mbqeiu} hu}ui qek`}`o/ Hu}ui&hu}ui f`coe} b}u ibq`

    mbh }`h`o qei`c b fu`} o&fu }`o f`coe} r`oc qed k`o meoc`o

    fu }`o&fu }`o kbq}ybh/ Iem`or`+ hu}ui f`coe} qek`ku iey m` m`k f

    z`q`oc`o qegbocc` qek`ku m`k`f sudum mbzllk&mbzllk f`coe}+ r`hob }bm`h

    zeyo`g q`}u deobq hu}ui f`coe} iey`m` qeombyb`o/

    Guhuf Aluklfi ieyk`hu duc` uo}uh c`r` `o} y` hu}ui&hu}ui

    f`coe}+ h`yeo` guhufguhuf aluklfi m`k`f ekeh}ylq}`}bh` feyuz`h`o

    guhuf m`q y/ Ieyk`huor` guhuf aluklfi m`k`f f`coe}lq}`}bh` `h`o

    feoc`hbi`}h`o `o`klcb r`oc feku`q `o} y` f`coe}lq} }bh` m`o

    ekeh}ylq}`}bh + mb f`o` qefu` yufuq ekeh}ylq}`}bh` r`oc k`ocquoc

    }eyd`i`yh`o m`yb guhuf aluklfi m`z`} k`ocquoc mb`fibk `o`klcbor` m`k`f

    f`coe}lq}`}bh`+ qezey}b m`k`f ]`iek 0 ieybhu}/

    0

  • 7/23/2019 Dasar Kemagnetan

    2/28

    ]`iek 0/ @o`klcb yufuq ekeh}ylq}`}bqh` m`k`f f`coe}lq}`}bh`

    Ekeh}ylq}`}bh` F`coe}lq}`}bh`

    Guhufaluklfi

    9

    90

    = y

    ppN

    6

    Guhufaluklfi 9

    90

    = y

    ZZNf

    6

    Fu`}`o kbq}ybh p Hu}ui f`coe} Z

    Zeyfb}b~b}`q Zeyfe`ibkb}`q Quqez}bibkb}`qekeh}ybh

    w Quqez}bibkb}`qf`coe}bh

    Wf

    Zlk`ybq`qb Z 6 : w E F`coe}bq`qb F 6 : wf GHu`} fem`okbq}ybh

    E Hu`} fem`of`coe}

    G

    Bomuhqb ekeh}ybh EM 6 Bomuhqbf`coe}bh

    GI 6

    Flfeo mbzlkkbq}ybh

    pkz 6 Flfeo mbzllkf`coe}

    zbf 6

    Ewz6 Gwz6

    Ez^ /6 Gf^f /6

    ' "Ecy`mzN /6 Gcy`mfNf //6

    ]gelyef`c`uqq

    ,/ pm`E 6 ]gelyef`c`uqq

    6 :/m`GZeyq`f``oF`wsekk B

    pMmb~ 6/ Zeyq`f``oF`wsekk BB

    :/ 6Imb~

    M`yb }`iek mb `}`q }eykbg`} i`gs` }gelyef` C`uqq m`o zeyq`f``o

    F`wsekk uo}uh f`coe}lq}`}bh` `m`k`g olk+ h`yeo` fu`}`o f`coe}+ r`b}u

    hu}ui f`coe} qek ku ieyz`q`oc`o m`k f sudum mbzllk qegbocc` }l} k

    fu`}`o f`coe} qek`ku olk/

    Mb m`k`f fembuf meoc`o hlombqb ? : 'uo}uh f`coe}lq}`}bh`"

    dbh` zeyfe`ibkb}`q f`coe}or` '" ieq`y f`h` c`r` aluklfi Nf duc`

    ieq`y+ qem`och`o mb m k`f fembuf meoc`o hlombqb ? : 'uo}uh

    ekeh}ylq`}bh`" dbh` zeyfb}bnb}`qor` '" ieq`y f`h` c`r` aluklfi N `h`o

    keibg heabk/ G k bob m`z } mb}ey`och`o ieym`q`yh`o gbzl}eqbq i`gs`

    ieq`yor` fu }`o f`coe} `}`u hu}ui f`coe} z keibg ieq`y mb m`k f

    9

  • 7/23/2019 Dasar Kemagnetan

    3/28

    fembuf r`oc zeyfe`ibkb}`qor` keibg ieq`y+ fbq`kor` meoc`o feor`}`h`o

    4 z 6 ',: "Z:mb f`o` l b`k`g zeyfe`ibkb}`q ~`huf m`o z: `m`k`g hu`} hu}ui r`oc

    qe`om`boor` iey`m` mb m`k`f ~`huf+ r`oc feoc`hbi`}h`o 4

    Nf 6 ',: "Nf:

    Mb f`o` Nf: feyuz`h`o Nf r`oc iey`m` mb m`k`f ~`huf+ g`k

    }eyqeiu} qequ`b meoc`o heor`} `o i`gs` Nf qei`omboc meoc`o

    zeyfe`ibkb}`q /

    Fu`}`o f`coe} z m`z`} ieyui`g meoc`o fembuf r`oc ieyiem`+k`bo g`kor` meoc`o fu }`o kbq}ybh p r`oc }bm`h }eyc`o}uoc z`m` deobq

    fembuf+ }e}`zb g`k bob }`h ieyzeoc`yug qei`i fu`}`o f`coe} b}u qea`y`

    f`}eyb`k }bm`h `m + h`yeo` mbzllk f`coe} b}u qeieoeyor` `m k`g `yuq

    fekboch`y q`d + qezey}b r`oc mb}bfiukh`o lkeg ieycey hor` ekeh}ylo

    feocekbkbocb bo}b `}lf+ qegbocc` mb m`k`f fembuf r`oc zeyfe`ibkb}`qor`

    keibg ieq`y+ yuq fekboch`y b}u `h`o feocg`qbkh`o flfeo mbzllk f`coe}

    r`oc keibg ieq y+ r`oc qelk glk`g fu`} o f`coe} b}u feod mb

    }eyzlk`ybq`qb/

    I/ FEMBUF F@COE]

    Fembuf f`coe}bh feyuz`h`o fembuf r`oc fefzeoc`yugb

    fem`o f`coe} qei`c`bf`o` mbekeh}ybhuf fefzeoc`yugb fem`o kbq}ybh /

    }e}`zb h`k`u mbekeh}ybhuf qek`ku fefzeykef`g fem`o kbq}ybh+ f`h` fembuf

    f`coe}bh `m` r`oc duq}yu fefzeyhu`} fem`o f`coe} r`oc mbo`f`h`o

    fembuf z`y`f`coe}bh/ Ibdb ieqb ieyqbn`} fefzeyhu`} fem`o f`coe} m`o

    mbo`f`h`o fembuf neyylf`coe}bh+ h`yeo` neyylf`coe}bh feyuz`h`o qbn`}

    hef`coe}`o r`oc bq}bfes` m`yb i`g`o ieqb 'neyuf"/

    Qeieo`yor` zeocu`}`o fem`o f`coe} lkeg i`g`o z`y`f`coe}bh

    m`o zekef`g`o fem`o f`coe} lkeg i`g`o mb`f`coe}bh g`or` qembhb}

    q`d`+ r`hob meoc`o quqez}bibkb}`q f`coe}bh f `o}`y` 0:&5 q`fz`b&0:&7

    uo}uh i`g`o mb`f`coe}bh qezey}b fbq`kor` Gc+ @c+ G9+ @+ @u+ Ib+ m`o Hf+

    `o}`y` 0:&3 q`fz`b 0:&1 i`cb i`g`o z`y`f`coe}bh qezey}b fbq`kor` Z}+ @k+

    1

  • 7/23/2019 Dasar Kemagnetan

    4/28

    L9+ O9/ Qem`och`o uo}uh i`g`o neyylf`coe}bh fefzuor b obk b

    quqez}bibkb}`q f`coe}bh f q`fz`b ybiu`o '0:1

    "/

    0/ ]elyb @}lfbh Hef`coe}`o

    Feouyu} @fzeye+ mbzllk f`coe} feyuz`h`o `yuq kbq}ybh r`oc

    fekboch`y/ @m`zuo `yuq fekboch`y mb m`k`f `}lf iey`q`k m`yb cey`h`o

    lyib}`k ekeh}ylo+ r`oc feoc`hbi`}h`o cey`h`o fu`}`o kbq}ybh ekeh}ylo

    feocekbkbocb bo}b `}lf/ Mb q`fzboc b}u cey`h yl}`qb ekeh}ylo feocekbkbocb

    qufiuor` qeombyb duc` feocg`qbkh`o cey`h yl}`qb fu`} o kbq}ybh

    ekeh}ylo r`oc fefieybh`o `yuq fekboch`y/

    D`mb flfeo mbzllk `}lf feyuz`h`o dufk`g`o `}`u yequk} o}e

    flfeoflfeo mbzllk m`yb cey`h`o lyib}`k f`uzuo yl}`qb `}`u qzbo

    qefu` ekeh}ylo ekeh}yloor`/ Dbh` yequk}`o}e b}u olk+ f`h` `}lf `h`o

    ieyqbn } mb`f`coe}bh+ qem`och`o dbh` }bm`h q`f` meoc`o olk+ `h`o

    ieyqbn`} z`y`f`coe}bh/

    9/ Z`y`f`coe}bh

    I`g`o z`y`f`coe}bh ieyqbn`} fefzeyhu`} fem`o f`coe} m`z`}+

    g`k bob m`z`} mbdek`qh`o meoc`o feoccuo`h`o C`fi`y 0/

    C`fi`y 0/ I`g`o z`y`f`coe}bh meoc`o mbzllk f`coe} `}lfor`

    Qei`c`bf`o` mbhefuh`h`o z`m` }elyb hef`coe}`o mb`}`q+ i`g`o

    r`oc flfeo mbzllk f`coe} `}lfor` }bm`h olk+ ieyqbn`} z`y`f`coe}bh/

    Mb m`k`f fem`o f`coe}+ mbzllkmbzllk f`coe} `}lf i`g`o

    neyylf`coe}bh `h`o }eylybeo}`qb feocbhu}b y`g fem`o f`coe}+ r`hob

    =

  • 7/23/2019 Dasar Kemagnetan

    5/28

    hu}ui u}`y`or` `h`o feoc`y`g z`m` `y`g fem`o f`coe} qem`och`o

    hu}ui qek`}`oor` z`m` `y`g qei`kbhor`+ g`fzby q`f` meoc`o flfeo

    mbzllk kbq}ybh flkehukflkehuk mbekeh}ybhuf mbm`k`f fem`o kbq}ybh+

    qezey}b r`oc mbdek`qh`o lkeg C`fi`y 9/

    C`fi`y 9/ Mbzllk f`coe} mb m`k`f fem`o f`coe}

    Ieyiem` meoc`o mbzllk kbq}ybh mb m k`f fem`o kbq}ybh r`oc

    feo`fzbkh`o c`ybq c`r` fem`o kbq}ybh r`oc `y`gor` ieyk`s`o`o

    meoc`o `y`g fem`o kbq}ybh r`oc mbheo`h`o+ f`h` c`ybq c`r` m`yb

    mbzllk f`coe} mb m`k f fem`o f`coe} b}u qei`cb`o ieq`y iey m`

    z`m` `y`g r`oc q`f` meoc`o `y`g fem`o f`coe} r`oc mbheo`h`o

    h`yeo` qbn`} yl}`qblo`k c`ybq c`r` fem`o f`coe} b}u qegbocc` mb m`k`f

    mbzllk f`coe} `y g c ybq c`r` b}u iuh`o m yb u} y he qek }`o

    fek`boh`o qei`kbhor` m`yb qek`}`o he u}`y`/ Meoc`o mefbhb`o i`g`o

    z`y f`coe}bh b}u feo`fi`g hey z }`o c`ybq c`r` fem`o f`coe}

    r`oc mbheo`h`o+ r`oc iey`y}b `h`o fefzeyhu`} fem`o f`coe}/

    1/ Mb f`coe}bh

    I`g`o r`oc flfeo mbzllk f`coe} `}lf`}lfor` olk ieyqbn`}

    mb`f`coe}bh/ H`yeo` flfeo mbzllk f`coe}or` olk+ f`h` }bm`h ieyuz`

    mbzllk f`coe} qegbocc` }bm`h feoc`k`fb lybeo}`qb zefu}`y`o mb m`k`f

    fem`o f`coe}/ Qezbo}`q i`g`o }eyqeiu} }bm`h ieybo}ey`hqb meoc`o

    fem`o f`coe}+ m`o }bm`h fefzeoc`yugb fem`o f`coe} r`oc

    mbheo`h`o z`m`or`/ O`fuo z`m` heor`}``oor` i`g`o }eyqeiu}

    fefzeykef`g fem`o f`coe}/ G`k bob m`z`} mbdek`qh`oh`o

    5

    Q

    U

  • 7/23/2019 Dasar Kemagnetan

    6/28

    ieym`q`yh`o }bfiukor` c`r` Klyeo}t }eyg`m`z ekeh}ylo r`oc

    feoclyib}/

    Qeieo`yor` i`g`o z`y`f`coe}bh duc` fefbkbhb ced k`

    mb`f`coe}bqfe+ }e}`zb eneh mb`f`coe}bhor` m`z`} mb`i`bh`o }eyg`m`z

    eneh z`y`f`coe}bhor` qei`i zyeqeqb K`yfluy }eo}u duc` }eyd`mb qea`y`

    ufuf i`cb qefi`y`oc cey`h`o lyib}`k fu`}`o kbq}ybh mb m`k`f fem`o

    f`coe}/

    =/ Neyylf`coe}bh

    I`g`o neylf`coe}bh fefbkbhb quqez}bibkb}`q f`coe}bh r`oc `f`}

    ieq`y+ r`hob m k`f lyme ybiu`o+ i`g`o }eyqeiu} duc` fefbkbhb qbn }

    hguquq+ r`hob fefzeykbg`}h`o ced`k` `z` r`oc mbqeiu} grq}eybqbq r`oc

    qea`y` ufuf mbmenbobqbh`o qei`c`b he}eyk`fi`}`o ye`hqb `}`u yeqzlo

    `}`q `hqb r`oc k`tbf }eyd`mb z`m` hei`or`h`o hlfzloeo feqbo/ M`k`f

    hef`coe}`o+ gbq}eybqbq bob ieyh b}`o meoc`o he}eyk`fi`} o ~`yb`qb

    bomuhqb f`coe}bh I }eyg`m`z ~`yb`qb fem`o f`coe} G r`oc mbheo`h`o+

    r`oc iey`y}b zeyfe`ibkb}`q f`coe}bh i`g`o iuh`o feyuz`h`o }e}`z`o

    fek`boh`o iey~`yb`qb qek`f` zylqeq zeocui`g`o hu`} fem`o f`coe}

    r`oc mbheo`h`o qezey}b r`oc mb dek`qh`o lkeg C`fi`y 1/

    C`fi`y 1/ Huy~e Gbq}eybqbq i`g`o neylf`coe}bh

    >

    I

    Iy

    Ga G

  • 7/23/2019 Dasar Kemagnetan

    7/28

    A/ FEM@O F@COE] @YUQ KBQ]YBH

    Z`m` }`guo 0702 Leyq}em feoefuh`o i`gs` mbqehb}`y `yuq kbq}ybh

    }bfiuk fem`o f`coe} r`oc c`ybq c`r`or` fekboch`yb `yuq kbq}ybh b}u/

    0/ Yufuq Ibl}&Q`~`y}

    Hu`} fem`o f`coe} `yuq kbq}ybh }eo}uor` feyuz`h`o dufk`g`o m`yb

    hlo}ybiuqb f`qboc&f`qboc i`cb`o `}`u ekefeo z`od`oc `yuq kbq}ybh b}u/

    Keibg k`odu} Ibl} m`o Q`~`y} ieyzeom`z`} i`gs` hu`} fem`o f`coe} b}u

    ieyi`omboc }eyi`kbh meoc`o hu`my`} d`y`h m`yb ekefeo `yuq meoc`o `y`g

    feorbk`oc }ec`h kuyuq `y`g ekefeo `yuq }eyqeiu}+ qey}` qei`omboc meoc`o

    z`od`oc ekefeo `yuq qei`c`bf`o` hekbg`}`o m`yb }efz`} mb f`o` hu`}

    fem`o f`coe} b}u mb}bod`u/

    Guhuf Ibl} q`~`y} }bm`h }eyc`o}uoc fembuf+ qea`y qboch }

    mbyufuqh`o qei`c`b ieybhu} 4

    1=

    qbo

    y

    bmkmG

    6

    @y`g fem`o f`coe} m`o `y`g `yuq kbq}ybh m`z`} mb}eo}uh`o meoc`o

    h`bm`g qehyuz+ r`oc feor }`h`o dbh` qehyuz mbzu} y+ `y`g zu} y`o

    qehyuz feouoduhh`o fem`o f`coe} m`o `y g cey`h`o qehyuz

    feouoduhh`o `yg `yuq kbq}ybh/ Lkeg qei`i b}u yufuq Ibl}&Q`~`y} keibg

    keoch`z mb}ukbqh`o m`k`f zeyq`f``o ~eh}ly 4

    1= y

    ymkwbmG

    6

    Hu`} fem`o f`coe} mbzeylkeg meoc`o feocbo}ecy`kh`o zeyq`f``omb `}`q+ fbq`kor` uo}uh `yuq kbq}ybh r`oc kuyuq m`o `f`} z`od`oc+ hu`}

    fem`o f`coe} r`oc mb}bfiukh`o z`m` d`y`h Y m`yb `yuq+ mbieybh`o lkeg

    6 9=qbo

    y

    bmkG

    r`oc meoc`o }y`oqnlyf`qb ~`yb`iek 4

    mk qbo 6 y m qey}` y qbo 6 Y

    `h`o mbzeylkeg yufuq 4

    3

  • 7/23/2019 Dasar Kemagnetan

    8/28

    666

    ::

    9 9/qbo

    =

    0

    = Y

    bm

    yy

    bymG

    r`oc k`ku iey`y}b 4

    9 Y/ G 6 b

    yu`q hbyb zeyq`f``o mb `}`q m`z`} mbi`a` qei`c`b uq`g` lkeg q`}u

    q`}u`o fu`}`o f`coe} `}`u hu}ui f`coe} mb qehekbkboc kboch`y`o c`ybq

    c`r`/

    9/ Yufuq Uo}`b @fzeyeFem`o f`coe} `m`k`g fem`o c`r` r`oc hloqey~`}bn+

    qei`c`bf`o` uq`g` lkeg fu`}`o f`coe} r`oc ieycey`h m`yb q`}u }b}bh

    he }b}bh k`boor` }bm`h }eyc`o}uoc kbo}`q`o r`oc mb}efzugor`+ hguquqor`

    uq`g` m`yb q`}u }b}bh hefi`kb he }b}bh b}u k`cb+ `m`k`g olk/

    ]e}`zb feouyu} g`qbk uq`g`+ uq`g` qez`od`oc c`ybq c`r` qehekbkboc

    `yuq kbq}ybh }bm`hk`g olk }e}`zb q`f` meoc`o `yuq r`oc mbhekbkbocbor`/

    G`k bob mbqei`ih`o lkeg qbn`} yl}`qblo`k c`ybq c`r` fem`o f`coe} `yuq

    kbq}ybh/ O`fuo mefbhb o feouyu} @fzeye+ h`yeo` qbn } hloqey~`}bn

    fem`o f`coe}+ uq`g` m`yb q }u }b}bh he }b}bh b}u k`cb+ feqhbzuo }bm`h

    qez`od`oc c`ybq c`r`+ `h`o q`f` meoc`o `yuq r`oc mbhekbkbocbor`/ G`k

    bob m`z`} mbdek`qh`o meoc`o feoccuo`h`o C`fi`y =/

    C`fi`y =/ Iuh}b }gelyef` uo}`b @fzeye

    Hb}` }bod`u kbo}`q`o m`yb @ he I m`o qe}eyuqor` q`fz`b hefi`kb he

    @ k`cb }e}`zb meoc`o feocekbkbocb `yuq B duc /

    M`yb C`fi`y 00 }eykbg`} i`gs` uq`g` m`yb @ he I q`f` meoc`o

    r`oc m`yb @ he @0 he @9 i`yu he I+ feocboc`} qbn`} hloqey~`}bn fem`o

    7

    @@

    0

    @

    9

    I

  • 7/23/2019 Dasar Kemagnetan

    9/28

    f`coe}+ r`b}u uq`g` }`h }eyc`o}uoc kbo}`q`o/ ]e}`zb uq`g` m`yb @0 he @9

    f`uzuo m`yb @9 he I `m`k`g olk qei`i `y`g kbo}`q`oor` }ec`h kuyuq

    c`ybq c`r` fem`o f`coe} `yuq kbq}ybh b}u/ D`mb uq`g` m`yb @ he I q`f`

    meoc`o m`yb @ he @0 m`o qe}eyuqor` qez`od`oc kboch`y`o c`ybq c`r`/

    G`k }eyqeiu} mbheo`k qei`c`b }gelyef` uo}`b @fzeye m`o qea`y`

    qboch`} }eyufuqh`o lkeg zeyq`f``o 4

    bmyG 6 /

    1/ Zeyq`f``o F`wsekk B

    Qezey}b g kor` m yb }gelyef` C`uqq r`oc ieyh`b}`o meoc`o

    bo}ecy`k ku`q`o r`oc feoa`huz qu`}u ~lkuf mb}uyuoh`o zeyq`f``o

    F`wsekk B r`oc ieyh b}`o meoc`o mbneyeoqb`k mb qu`}u }b}bh qe}efz`}

    uo}uh fu }`o kbq}ybh r`oc }eymbq}ybiuqb+ f`h` m`yb }gelyef` uo} b

    @fzeye r`oc ieyh`b}`o meoc`o bo}ecy`k d`y`h r`oc feoa`huz qu`}u

    ku`q`o mb}uyuoh`o zeyq`f``o F`wsekk B^ r`oc ieyh`b}`o meoc`o

    mbneyeoqb`k mb qu`}u }b}bh qe}efz`}/Uo}uh `yuq kbq}ybh r`oc }eymbq}ybiuqb meoc`o y`z } `yuq d r`oc

    mbmenbobqbh`o qei`c`b }l}`k hu`} `yuq r`oc feoa`huz ku`q`o bo}ecy`k

    d`y`h m`k`f }gelyef` uo}`b @fzeye `h`o qei`omboc meoc`o y`z`}

    `yuq mb m`ey`g ku`q`o bo}ecy`qb/ Hb}` m`z`} feoc`}`h`o bo}eoqb}`q obk`b

    bo}ecy`k hekbkboc qehb}`y }b}bh qei`omboc meoc`o y`z`} `yuq mb qehb}`y }b}bh

    b}u+ m`o qei`c`b uhuy`o bo}eoqb}`q bo}ecy`k i`cb G hb}` menbobqbh`o auyk

    G+ `}`u yl}`qb G `}`u mbqboch`} yl}/ G qemefbhb`o gbocc` 4

    Auyk G 6 d

    R`oc feouyu} }gelyef` uo}`b @fzeye iey`y}b 4

    Gwbfb}kGauyk@

    66 :

    mb f`o` @ `m`k`g ku`q m`ey`g bo}ecy`qb hekbkboc/

    Qea`y` f }ef }bh+ m`yb `kd i y mbneyeoqb k ~eh}ly+ m`z }

    mb}uoduhh`o i`gs` 4

    2

  • 7/23/2019 Dasar Kemagnetan

    10/28

    GwGauyk 6

    ^`yb`qb hu`} fem`o kbq}ybh duc` feobfiukh`o fem`o f`coe}/ G`kbob hby`or` m`z`} mbdek`qh`o meoc`o feoccuo`h`o C`fi`y 5/

    Hb}` }bod`u fem`o kbq}ybh mb`o}`y` mu` hezboc hlomeoq`}ly i`gs`

    fem`o kbq}ybh b}u glflceo m`o meoc`o qeombybor` q`f` meoc`o r`oc

    mbzeyfuh``o hezboc mb f`o` bomuhqb mbekeh}ybhor` mbieybh`o lkeg

    /pM 6

    C`fi`y 5/ Fem`o f`coe} lkeg ~`yb`qb fem`o kbq}ybh

    H`k u qufiey }ec`oc`o mb uduoc hemu` hezboc ekeh}ylme b}u

    ilk h&i`kbh+ f`h` i`or`hor` fu }`o kbq}ybh+ y`z`} fu }`o kbq}ybh mbzeyfuh``o hemu` hezbocor` qey}` bomuhqb ekeh}ybhor`+ iey~`yb`qb ilk`h

    i`kbh zuk`/ Iey~`yb`qbor` fu`}`o kbq}ybh mb hemu` hezboc hlomeoqly b}u

    m`z } mbz`om`oc qei`c`b `m`or` fu`}`o kbq}ybh r`oc fekes`}b hemu`

    hezboc+ qegbocc` feoc`kbyor` fu`}`o kbq}ybh zlqb}bn m`yb hezboc `}`q

    `h`o feorei`ih`o }uyuoor` fem`o kbq}ybh m`o bomuhqb ekeh}bh m`yb `y`g

    `}`q he i`s`g/ Meoc`o mefbhb`o ieyk`hu zeyq`f``o 4

    d}Mr`b}u

    }M

    }pd 6

    6

    6

    r`oc iey`y}b ~`yb`qb M }eyg`m`z s`h}u+ r`hob M , } ieyqbh`z qei`c`b

    y`z`} `yuq kbq}ybh r`oc `h`o feobfiukh`o fem`o f`coe} duc`/

    Ieym`q`yh`o zeyq`f``o hlo}boub}`q i`cb qedufk`g fu`}`o kbq}ybh

    mb m`k`f ekefeo ~lkuf+ ieyk`hu zeyq`f``o hlo}boub}`q 4

    }dmb~ 6 ,/

    0:

    M

  • 7/23/2019 Dasar Kemagnetan

    11/28

    Feoc kbyor` fu }`o m`yb ekefeo ~lkuf `h`o feoc`hbi`}h`o

    }uyuoor` y`z`} fu`}`o mb m`k`f ekefeo ~lkuf b}u/ Mb k`bo zbg`h hb}`

    fefzuor`b zeyq`f``o F`wsekk B 4

    mb~ M 6

    qegbocc` ieyk`hu zeyq`f``o 4

    ' " :,/ 6( }Mdmb~

    m`yb mbneyeoqb`k ~eh}ly m`o f`}ef`}bh`+ mbm`z`} mb~/ Auyk qefi`y`oc

    ~eh}ly `m`k`g olk+ qegbocc` guiuoc`o auyk G6 d mb `}`q m`z`} hb}`

    }ukbqh`o qei`c`b ieybhu} 4

    }MdGauyk (6 ,

    Zeyq`f``o }eyqeiu} feyuz`h`o zeyq`f``o F`wsekk B^/

    =/ Fem`o F`coe} Hufz y`o Qlkeolbm`k m`o Hufz`y`o ]lylbm`k

    Hufz`y`o qlkeolbm`k `m`k`g meye}`o qeyb kbkb}`o r`oc fekboch`yb

    h`s`} r`oc dbh` mb`kbyb `yuq kbq}ybh `h`o feod`mb qufiey fem`o f`coe}

    qezey}b r`oc mbg`qbkh`o lkeg i`} oc f`coe} r`oc ieyieo}uh qbkbomey

    fef`od oc qezey}b r`oc }eykbg`} z`m` C`fi`y >+ qem`och`o

    hufz`y`o }lylbm`k `m`k`g qezey}b qlkeolbm`k g`or` q`d` mbkeochuoch`o

    fekboch`y qegbocc` uduoc&uduocor` iey}`u}`o/ Hufz`y`o r`oc }`h

    ieyuduoc z`och`k mefbhb`o ilkeg mbh`}`h`o qei`c`b qlkeolbm` r`oc

    }`h }eygbocc` z`od`ocor`/

    C`fi`y >/ Hufz`y`o qlkeolbm`k m`o hufz`y`o }lylbm`k

    Uo}uh feyufuqh`o hu } fem`o f`coe} mb qez`od oc qufiu

    qlkeolbm`+ r`b}u hufz`y`o qlkeolbm`k+ hb}` }bod`u hu`} fem`o f`coe} mb

    00

  • 7/23/2019 Dasar Kemagnetan

    12/28

    qez`od`oc qufiu r`oc fekes`}b zuq`} m`o }ec`k kuyuq meoc`o ibm`oc

    kboch`y`o `yuq }eyqeiu}+ qezey}b r`oc mbdek`qh`o lkeg c`fi`y 3/

    Ci/ 3/ Hu`} fem`o f`coe} mb qufiu kboch`y`o `yuq

    R b}u meoc`o feocuy`bh`o ~eh}ly hu } fem`o f`coe} lkeg

    f`qboc&f`qboc ekefeo `yuq B mk m`yb hlfzloeo `hqb k q`d qei`i

    yequk} o}e m`yb r`oc y`mb`k `m k`g olk/ D`mb yequk}`o}e hu } fem`o

    f`coe} m`yb ekefeo&ekefeo `yuq B mk meoc`o feoey`zh`o yufuq Ibl}&

    Q`~`y}+ `m`k`g 4

    Yq

    bbmkmGG

    q

    9/

    =

    qboqbo

    =qbo

    99666

    1

    9

    9

    0

    Q

    Yb6

    F`h` hlo}ybiuqb m`yb i`cb`o hufz`y`o qez`od`oc mw `z`ibk` `m`

    qei`or`h o kbkb}`o zey q`}u`o z`od`oc hufz`y`o `m`k`g4

    ' "1

    9

    9

    0

    Q

    YbomwmG 6

    r`oc qei`c`bf`o` }eykbg`} z`m` C`fi`y 7+ m`z`} hb}` }ukbqh`o 4

    qbo6q

    Yqey}` mw qbo q m

    C`fi`y 7/ Zeod`i`y`o hu`} fem`o f`coe} qlkeolbm` m`o }lylbm`

    09

    by

    Y mG qbo

    mG alq

    Gm

    mw mw qbo

    :

    :

  • 7/23/2019 Dasar Kemagnetan

    13/28

    `h`o mbg`qbkh`o yufuq 4

    ' "0:: alqalq

    9

    0 (6 obG

    Uo}uh qlkeolbm` r`oc `f`} z`od`oc+ meoc`o fef`quhh`o : 6 : m`o

    0

    : 6 : `h`o mbm`z`} 4

    G 6 ob

    Ieyiem` meoc`o qlkeolbm + uo}uh }lylbm`+ r`hob hufz`y`o }lylbm`k+

    yufuq Ibl}&Q`~`y} ilkeg mbh`}`h`o }bm`h ieyzeoc`yug/ M`yb }gelyef`

    uo}`b @fzeye m`z`} mbg`qbkh`o yufuq hu`} fem`o f`coe} qez`od`ocqufiuor`+ r`b}u 4

    6Gmw 9 ` ob r`hob G 9 ` 6 9 ` ob`}`u

    G 6 ob

    Zeyq`f``o }eyqeiu} q`f` meoc`o yufuq uo}uh qlkeolbm` r`oc `f`}

    z`od`oc/

    Qei`c bf`o` }ek`g mbdek`qh`o i`gs` hufz`y o qlkeolbm`k

    feocg`qbkh`o fem`o f`coe} r`oc zlk` c`ybq c`r`or` qezey}b zlk` c`ybq

    c`r` m`yb i`}`oc f`coe}+ f`h` zlk` c`ybq fecoe}bh r`oc mbg`qbkh`o lkeg

    `yuq fekboch`y `h`o ieyqbn`} qezey}b hezboc f`coe}/ F`hbo hu`} `yuq r`oc

    fekboch`y+ f`hbo hu`} fem`o f`coe} r`oc mbg`qbkh`o+ r`oc iey`y}b zuk`

    f`hbo ieq`y flfeo mbzllkor`/

    0/ Flfeo Mbzllk F`coe} @yuq Fekboch`y

    Uo}uh feyufuqh`o flfeo mbzllk f`coe} `yuq fekboch`y+ hb}`i`omboch`o yufuq hu`} fem`o f`coe} mb zlylq+ meoc`o yufuq hu`}

    fem`o f`coe} meoc`o i }`oc f`coe} mb qufiu+ qezey}b r`oc

    mbdek`qh`o lkeg C`fi`y 2/

    01

  • 7/23/2019 Dasar Kemagnetan

    14/28

    =

    91ya

    fGy

    6

    1

    19

    =

    9,

    9

    0

    y

    b@ybYG

    6

    Ci`fi`y 2/ Yufuq flfeo mbzllk f`coe} `yuq fekboch`y

    Meoc`o feoc`fibk `o klcb ekeh}ylq} }bh`+ f`h` hlfzloeo&

    hlfzloeo hu`} fem`o f`coe} mb m`k`f qbq}ef hllymbo`} zlk`y lkeg

    mbzllk f`coe} meoc`o flfeo mbzllk f mbieybh`o lkeg yufuq 4

    11

    =

    qbo

    =

    alq9

    y

    fGm`o

    ya

    fGy

    66

    dbh` qez`od`oc qufiu+ 6 : f`h` 4

    :=

    91

    66

    Gm`oya

    fGy

    meoc`o fefi`omboch`o `o}`y yufuq hu`} fem`o f`coe} lkeg `yuq

    fekboch`y mb qez`od`oc zlylq meoc`o yufuq hu`} fem`o f`coe} lkeg

    `yuq fekboch`y+ f`h` flfeo mbzllk f`coe} `yuq fekboch`y `m`k`g

    qei`c`b ieybhu} 4

    @bf 6

    meoc`o @ 6 Y9 feyuz`h`o ku`q ibm`oc kboch`y`o `yuq kbq}ybh b}u

    F`h` `fzeye feoc`} h`o i`gs` mbzllk f`coe} g`or`

    feyuz`h`o `yuq fekboch`y+ m`o fu`}`o f`coe} `}`u hu}ui f`coe} b}u

    m`z`} mbh`}`h`o }bm`h `m` qea`y` f`}eyb`k+ g`or` feyuz`h`o hloqez

    `iq}y`h q`d + m`o m`z`} mbh`}`h`o fem`o f`coe}zuo feyuz`h`o

    hloqez `iq}y`h duc`/

    0=

    y

    y

  • 7/23/2019 Dasar Kemagnetan

    15/28

    9/ Zl}eoqb`k Mbzllk F`coe} @yuq Fekboch`y

    @o`klc meoc`o zl}eoqb`k mbzllk kbq}ybh+ f`h` zl}eoqb`k mbzllk

    f`coe} mbyufuqh`o qei`c`b ieybhu} 4

    9=

    alq

    y

    f^f

    6

    meoc`o feoquiq}b}uqbh`o b@ z`m` f qey}` qumu} yu`oc meoc`o

    ku`q`o @+ qezey}b r`oc mbdek`qh`o lkeg C`fi`y 0: f`h` hb}` m`z`}

    feor`}`h`o zl}eoqb`k f`coe}bh m`k`f ieo}uh 4

    =

    6

    b

    ^f

    99

    alq

    y

    @

    y

    @o 66

    C`fi`y/ 0:/ Zl}eoqb`k f`coe}bh m`o qumu} yu`oc

    Yufuq zl}eoqb`k f`coe}bh mbd i yh`o ieym`q`yh`o `occ`z`o

    B ?? Y uo}uh `yuq fekboch`y `}`uzuo y ?? 0 uo}uh mbzllk f`coe}/

    O`fuo ieybhu} bob `h`o mb}uoduhh`o i`gs` yufuq zl}eoqb`k f`coe}bh

    r`oc mbh`b}h`o meoc`o qumu} yu`oc ieyk`hu ufuf }bm`h g`or` uo}uh

    kboch`y`o `yuq r`oc `f`} heabk q`d`/

    Uo}uh fefiuh}bh`oor + kboch y`o `yuq r`oc }bm`h heabk hb}`z`om`oc }eymbyb `}`q kboch`y`o&kboch`y`o `yuq heabk qezey}b mbdek`qh`o

    lkeg C`fi`y 00

    /

    05

    Ku`q @

    Qumu} yu`oc

    @o

    y

    Ku`q@o

  • 7/23/2019 Dasar Kemagnetan

    16/28

    C`fi`y 00/ Yufuq zl}eoqb`k f`coe}bh m`o qumu} yu`oc

    Lkeg h`yeo` mb zeyi }`q`o&zeyi`}`q`o `yuq& yuq fekboch`y b}u

    q`kboc feob`m`h`o+ f`h` yequk}`o}e `yuq&`yuq heabk b}u q`f` meoc`o

    qeiu`g kboch`y`o `yuq ieq`y qez`od`oc }ezb gbfzuo`o yuq&`yuq heabk

    }eyqeiu}+ qegbocc` feocboc`} zl}eoqb`k f`coe}bh q`f` meoc`o dufk`g

    z}eoqb`k&zl}eoqb`k f`coe}bh lkeg f`qboc&f`qboc `yuq fekboch`y heabk

    meoc`o qumu} yu`oc qefi`y`oc+ f`h` 4

    ==

    6

    6

    bbm^f

    M/ C@R@ EKEH]YLF@COE]BH

    C`r` ekeh}ylf`coe}bh feyuz`h`o c`r` `o}`y` `yuq kbq}ybh m`o i`}`oc

    f`coe} `}`uzuo c`r` `o}`y` `yuq&`yuq kbq}ybh+ `}`uzuo c`r` z`m` `yuq

    kbq}ybh r`oc }eoc`g iey`m` mb m`k f fem`o f`coe}/ ]e} zb m`yb }elyb@fzeye }eo}`oc f`coe} mbz`g`fb i`gs` mbzllk f`coe} `m`k`g `yuq

    fekboch`y q`d + qegbocc` c`r` `o} y` hu}ui&hu}ui f`coe} }bm`h k`bo

    `m`k g c`r` `o} y` `yuq& yuq fekboch`y q`d / H`yeo` mbzllk f`coe}

    f`uzuo `yuq fekboch`y feobfiukh`o fem`o f`coe}+ f`h` m`z }

    mbqbfzukh`o i`gs` c`r` ekeh}ylf`coe}bh feyuz`h`o c`r` z`m` `yuq

    kbq}ybh r`oc iey`m` mb m k`f fem`o f`coe}+ r`oc qea`y` hu`o}b}`}bn

    mbyufuqh`o lkeg Klyeo}t/

    0>

    b mb zeyi`}`q`o q`kboc

    feocg`zuqh`o

    b

  • 7/23/2019 Dasar Kemagnetan

    17/28

    ]bfiukor` c`r` z`m` mbzllk f`coe} lkeg `yuq kbq}ybh+ qezey}b r`oc

    mbdek`qh`o lkeg C`fi`y 09/`+ m`z`} mb}ey`och`o ieym`q`yh`o }bfiukor`

    fem`o f`coe} lkeg `yuq kbq}ybh r`oc meoc`o qeombybor` feobfiukh`o

    c`r` z`m` mbzllk f`coe} r`oc iey`m` mb m`k`f fem`o f`coe} }eyqeiu}/

    Qei`kbhor`+ }bfiukor` c`r` z`m` `yuq kbq}ybh+ lkeg mbzllk f`coe}

    qezey}b r`oc mbdek`qh`o lkeg C`fi`y 09/i+ feyuz`h`o hloqehueoqb m`yb

    guhuf Oes}lo BBB r`oc feor`}`h`o qbn`} c`r` r`oc bo}ey`h}bn+ r`hob uo}uh

    qe}b`z `hqb qek`ku }bfiuk ye`hqb+ r`oc m`k`f g`k bob h`yeo` z`m` mbzllk

    f`coe} ieheyd` c`r` lkeg `yuq kbq}ybh+ f`h` qei`kbhor` z`m` `yuq kbq}ybh

    g`yuq }bfiuk c`r` lkeg mbzllk f`coe}/ Ced`k` bob iey`y}b zuk` `m`or` c`r`

    z`m` `yuq kbq}ybh r`oc iey`m` mb m`k`f fem`o f`coe}/

    @m`or` c`r` `o}`y` `yuq&`yuq kbq}ybh qezey}b r`oc mbdek`qh`o lkeg

    C`fi y 09/a m`z`} mb}ey`och`o ieym`q`yh`o }bfiukor` fem`o f`coe}

    lkeg `yuq kbq}ybh r`oc feobfiukh`o c`r` z`m` `yuq kbq}ybh r`oc k`boor`

    r`oc iey`m` mb m`k`f fem`o f`coe} b}u/

    0/ C`r` Klyeo}t

    C`r` klyeo}t `m`k g c`r` z`m` `yuq kbq}ybh mb m k`f fem`o

    f`coe}/ ]e}`zb `yuq kbq}ybh `m k`g `yuq fu }`o kbq}ybh+ r`oc iey y}b

    i`gs` fu`}`o kbq}ybh r`oc ieycey`h `h`o iey}bom`h qei`c`b `yuq kbq}ybh/

    Lkeg qei`i b}u c`r` Klyeo}t `m`k`g duc` c`r` z`m` fu`}`o kbq}ybh r`oc

    }eoc`g ieycey`h mb m k`f fem`o f`coe} qegbocc` yufuq c`r`

    Klyeo}t fuoauk m`k`f 9 ieo}uh+ r`hob 4

    IwmkbmN 6

    uo}uh `yuq kbq}ybh r`oc iey`m` mb m`k`f fem`o f`coe}+ m`o

    Iw~pN 6

    Uo}uh fu`}`o kbq}ybh r`oc }eoc`g ieycey`h mb m`k`f fem`o f`coe}/

    03

    `/ C`r` z`m` mbzllk f`coe} lkeg

    `yuq kbq}ybh

    i/ C`r` z`m` `yuq kbq}ybh mb m`k`f

    fem`o f`coe}

    a/ C`r` z`m` `yuq b9

    mb m`k`f

    fem`o f`coe} lkeg b0

    Nf

    ( Nf

    Nf

    b

    Gb

    N

    b

    G

    G90

    N90

    b0

    b9

  • 7/23/2019 Dasar Kemagnetan

    18/28

    C`fi`y/09/ Ieyi`c`b zeo`fzbk`o c`r` Klyeo}t

    C`fi`y/01/ Zeod`i`y`o yufuq c`r` Klyeo}t

    C`r` z`m` `yuq kbq}ybh mb m`k`f fem`o f`coe} mbzeylkeg m`yb

    c`r` z`m` mbzllk f`coe} r`oc iey`m` mb m`k`f fem`o f`cob} r`oc

    mb}bfiukh`o lkeg `yuq kbq}ybh/ C`r` Klyeo}t m`z`} mbdek`qh`o meoc`o

    feoccuo`h`o C`fi`y 01/ R`b}u meoc`o feobod`u c`r` z`m` mbzllk

    f`coe} mb m`k`f fem`o f`coe} r`oc mb}bfiukh`o lkeg ekefeo `yuq

    kbq}ybh B mk r`oc `y`gor` }ec`h kuyuq qey}` qeibm`oc meoc`o qufiu

    mbzllk f`coe} z`m` d`y`h y/ Fbq`kh`o hu`} fem`o f`coe} lkeg `yuq B

    mb hu}ui U `m`k`g Gb mbieybh`o lkeg zeyq`f``o Ibl}&Q`~`y} 4

    07

    mNf

    bmn

    mk

    GGGG

  • 7/23/2019 Dasar Kemagnetan

    19/28

    ' " yy

    bmkymGb

    yy

    mkmGb 6

    66

    1

    b9 9/mGr`hob

    =

    f`h` c`r` z`m` mbzllk f`coe} r`oc hu`} hu}uior` Z lkeg ekefeo

    `yuq B mk `m`k`g 4

    19 y

    mkfGZmmNf b

    66

    mbf`o` f 6 Z y }`h k`bo b`k`g flfeo mbzllk f`coe}/ @h`o }e}`zb mb

    k`bo zbg`h fem`o f`coe} lkeg mbzllk f`coe} mb }efz`} B mk+ z`m` d`y`h

    y mbieybh`o lkeg 4

    19

    fG 6

    qegbocc` meoc`o feocboc`} I 6 G+ hb}` m`z`}h`o g`qbk 4

    ImkbmNf 6

    meoc`o `y`g he i`s`g/

    Meoc`o mefbhb`o qei`kbhor`+ feouyu} guhuf Oes}lo BBB m`k`f

    feh`obh`+ c`r` z`m` ekefeo `yuq B mk lkeg mbzllk f`coe} dfefzuor`b

    ieq`y r`oc q`f` }e}`zb meoc`o `y`g r`oc ieiem`+ r`b}u he`}`q+ r`oc

    meoc`o ol}`qb ~eh}ly m`z`} mb}ukbq qei`c`b 4

    IwmkbmN 6

    R`oc mbheo`k qei`c`b yufuq c`r` Klyeo}t uo}uh `yuq kbq}ybh mb m`k`f

    fem`o f`coe}/

    @m`zuo yufuq c`r` Klyeo}t uo}uh fu`}`o kbq}ybh r`oc ieycey`h

    mb m k`f fem`o f`coe} m`z } mbdek`qh`o meoc`o feoccuo`h`o

    C`fi`y 0=/

    C`fi`y 0=/ Fu`}`o r`oc ieycey`h qei`c`b `yuq kbq}ybh

    02

    Ku`q @KKK

  • 7/23/2019 Dasar Kemagnetan

    20/28

    Hb}` }bod`u `yuq kbq}ybh mb m`k`f qei`}`oc hlomuh}ly qei`c`b `yuq

    fu`}`o kbq}ybh meoc`o hey`z`}`o r`oc qefu`or` ieycey`h qez`od`oci`}`oc hlomuh}ly meoc`o heaez`}`o ~/ qe}ek`g 0 q`}u`o s`h}u+ qefu`

    fu`} o kbq}ybh r`oc iey`m` q`fz`b qed`ug ~ m yb uduoc h`o`o

    mb C`fi`y 0= qum`g `h`o fekes }b uduoc b}u/ D`mb h k`u ku`q

    zeo`fz`oc i`}`oc `m`k`g @+ hu`} `yuq r`oc mbmenbobqbh`o qei`c b

    i`or`hor` fu`}`o kbq}ybh r`oc fekbo}`q zeo`fz`oc zeyq`}u`o s`h}u+

    mbieybh`o lkeg 4

    z~@b 6

    Qem`och`o i`or`hor` fu`}`o kbq}ybh mb qez`od`oc mk `m`k`g 4

    mk@p 6

    Qegbocc` ieyk`hu zeyq`f``o 4

    p~mkb 6

    r`oc k`ocquoc feo}y`oqnlyf`qbh`o yufuq c`r` Klyeo}t feod`mb 4

    Iw~pN 6

    r`oc feyuz`h`o c`r` z`m` fu`}`o kbq}ybh p r`oc ieycey`h meoc`o

    heaez`}`o ~ r`oc duc` feyuz`h`o c`r` z`m` ekefeo `yuq kbq}ybh B mk +

    r`oc iey`m` mb m`k`f fem`o f`coe} r`oc bomuhqb f`coe}bhor` I/

    9/ Yufuq @fzeye uo}uh c`r` `o}`y` @yuq&`yuq Kbq}ybh

    Hb}` }bod`u c`r` `o}`y` 9 `yuq kbq}ybh r`oc ieymeh`}`o q`}u q`f`

    k`bo qezey}b r`oc mbzeykbg`}h`o z`m` C`fi`y 05/

    C`fi`y 05/ C`r` `o}`y` `yuq `yuq kbq}ybh

    9:

    b9

    mk9999 90

    9Nmb0

    mk9

  • 7/23/2019 Dasar Kemagnetan

    21/28

    Fbq`kh`o hu`} fem`o f`coe} mb}efz`} b9 h`yeo` `m`or` b0 b`k`g

    G90+ f`h` 4

    900090 ywmkbGm 6

    qegbocc` c`r` z`m` 09 mk9 r`oc iey`m` mb m`k`f fem`o f`coe} r`oc

    mb}bfiukh`o lkeg b0 mk0 feouyu} yufuq c`r` Klyeo}t mbieybh`o lkeg 4

    1

    90

    9000990

    9

    y=

    ywmkwbbNm 6

    Meoc`o fefezey}uh`yh`o bomehq f`h` mbzeylkeg m9

    N09+ r`oc

    }bm`h q`f` meoc`o m9N90/ g`k bob }bm`h iey`y}b iey}eo}`oc`o meoc`o

    guhuf Oes}lo he BBB+ qei`i guhuf Oes}lo he BBB b}u ieyk`hu uo}uh

    heqekuyug`o yuq/

    Yufuq @fzeye r`oc mbyufuqh`o qei`c`b m9N90 `}`uzuo m9N09 mb

    `}`q }bm`h ieycuo` m`k`f zeoey`z`oor`+ m`o a`y` k`bo g`yuq mbz`h`b+

    fbq`kor` uo}uh b0 m`o b9 r`oc qed`d`y m`o ieyd`y`h m q`}u q`f` k`bo+

    c`r` `o}`y` hemu` `yuq b}u mbzeylkeg meoc`o feoey`zh`o yufuq uo}`b`fzeye uo}uh feyufuqh`o hu`} fem`o f`coe} mb b9 lkeg `m`or` b0+/

    Meoc`o feoey`zh`o }gelyef` uo} b @fzeye meoc`o

    feoccuo`h`o C`fi`y 0> hb}` m`z`}h`o 4

    C`fi`y 0>/ C`r` `o}`y` mu` `yuq kbq}ybh qed`d`y

    m

    bwmkbGwmkbIwmkbmN

    9

    9

    999099909990666

    r`oc feocg`qbkh`o yufuq c`r` `o}`y` 9 `yuq kbq}ybh qed`d`y 4

    m

    bb

    mk

    mN

    9

    90

    9

    90

    6

    90

    m

    mk9

    G90

    b0

    B9

  • 7/23/2019 Dasar Kemagnetan

    22/28

    r`oc meoc`o fefzey}uh`yh`o bomehq fefzeykbg`}h`o ieyk`huor`

    Guhuf Oes}lo he BBB

    9

    90

    0

    09

    mk

    mN

    mk

    mN6

    1/ Q`}u`o Hu`} @yuq Kbq}ybh @fzeye @iqlku}

    Hu`} `yuq kbq}ybh 0 @fzeye mbmenbobqbh`o qei`c`b hu`} `yuq kbq}ybh

    r`oc feoceom`zh`o 0+007 fc @c zey me}bh m`yb k`yu}`o @cOL1 z`m`

    h }lme m k`f zeoceom`z`o ekeh}ylkb}bh/ Menbobqb hu`} `yuq kbq}ybh

    mefbhb o mbqez`h }b qea`y` bo}eyo`qblo k z`m` }`guo 02:7+ r`oc

    mbqeiu} @fzeye Bo}eyo`qblo`k/ Qem`och`o @fzeye @iqlku}

    mbmenbobqbh`o ieym`q`yh`o `}`q zeocuhuy`o k`ocquoc 'qea`y` `iqlku}"

    c`r` `o}`y` `yuq&`yuq kbq}ybh qed`d`y/

    M yb yufuq c`r` `o}`y` 9 `yuq kbq}ybh qed`d`y mb `} q+ meoc`o

    feoc`fibk : 6 0+95>> w 0:&> Oes}lo,@fzeye9 qey}` meoc`o d`y`h

    `o}`y` hemu` `yuq kbq}ybh b}u m 6 0 fe}ey `h`o mbm`z`} mN, mk r`oc

    feomeh`}b 9 w 0:&3 Oes}lo,fe}ey/ F`h` mbiu`}k`g menbobqb q`}u`o

    @fzeye r`oc i`yu r`oc `h`o mbm`z`}h`o mN,mk }ez`} q`f` meoc`o

    9 w 0:&3 oes}lo,fe}ey+ r`oc m`z`} mbuhuy k`ocquoc qea y` `iqlku}

    qegbocc` `fzeye r`oc mefbhb`o mbqeiu} `fzeye `iqlku}/ ]eyor`}`

    0 @fzeye bo}eyo`qblo`k 6 :+222715 `fzeye `iqlku}/

    =/ ]eo`c` m`o C`r` z`m` Kboch`y`o @yuq Kbq}ybh mb

    m`k`f Fem`o F`coe}

    Qei`c`bf`o` kboch`y`o `yuq kbq}ybh fefzuor`b qbn`} qezey}b mbzllk

    f`coe} r`oc flfeo mbzllk f`coe}or` f 6 B @+ f`h` qefu` yufuq

    uo}uh mbzllk f`coe} ieyk`hu q`f` uo}uh `yuq kbq}ybh fekboch`y meoc`o

    feoquiq}b}uqb B @ he f/

    99

  • 7/23/2019 Dasar Kemagnetan

    23/28

    f ub @

    b

    M`yb yufuq }eo`c` mbzllk f`coe} mb m`k`f fem`o f`coe} r`oc

    mbieybh`o lkeg //GfUf 6 f`h` }eo`c` kboch`y`o `yuq mb m`k`f fem`of`coe} mbyufuqh`o qei`c`b ieybhu} 4

    fb@bIIb@Gb@Gb@Ub //// 66666

    r`hob

    fbUb 6

    mbf`o` 6 @I/ feyuz`h`o nkuh f`coe}bh r`oc mba`huz lkeg

    kboch`y`o `yuq b qezey}b r`oc mbdek`qh`o lkeg C`fi`y 03/

    C`fi`y 03/ ]eo`c` kboch`y `yuq mb m`k`f fem`o f`coe}

    m`yb yufuq flfeo c`r` z`m` mbzllk f`coe} mb m`k`f fem`o f`coe}

    r`oc mbieybh`o lkeg Gwff 6 + f`h` flfeo c`r` z`m` kboch`y`o

    `yuq mb m`k`f fem`o f`coe} mbieybh`o lkeg 4

    Ib@Gww` b@Gb 666

    R`hob

    Iwb@ b 6

    f`h` `h`o mbm`z`}h`o zuk` c`r` z`m` kboch`y`o `yuq mb m`k`f fem`o

    f`coe} r`oc }`h glflceo+ r`b}u 4

    ' "I@bbN 6 /

    5/ Zeoey`z`o C`r` Klyeo}t

    91

  • 7/23/2019 Dasar Kemagnetan

    24/28

    Ieybhu} bob ieiey`z` alo}lg zeoey`z`o c`r` klyeo}t m`k`f ibm`oc

    }ehobh r`oc zeo}boc+ `o}`y` k`bo fe}ey kbq}ybh hufz`y`o zu}`y+ oey`a`

    `yuq hek~bo+ eneh G`kk+ m`o qzeh}ylfe}ey f`qq`/

    Fe}ey kbq}ybh m`o hufz`y`o zu}`y

    M`yb yufuq flfeo c`r` z`m` kboch`y`o `yuq+ mb f`o` ieq`yor`

    flfeo c`r` qei`omboc meoc`o hu`} `yuq+ m`z } mbabz}`h`o `k`} uhuy

    hu`} `yuq kbq}ybh ieym`q`yh`o zeocuhuy`o flfeo c`r` z`m` kboch`y`o

    `yuq kbq}ybh mb m k`f fem`o f`coe}/ @c`y c`r`or` auhuz ieq y

    qegbocc` fum`g mbuhuy f`h` mbz`h`bk g hufz`y`o r`oc ieyuz`

    }ufzuh`o kbkb}`o/ C`fi`y 07 `m`k`g i`c`o m`yb fe}ey kbq}ybh hufz`y`o+

    r`b}u `k`} uhuy hu`} `yuq kbq}ybh r`oc z`kboc qemeyg`o`/

    C`fi`y 07/ Fe}ey kbq}ybh hufz`y`o zu}`y

    Hufz`y`o fe}ey kbq}ybh z`m` c`fi y 07 mb}efz`}h`o mb m`k f

    fem`o f`coe}+ r`hob mb`o} y` hu}ui&hu}ui f`coe} i }`oc r`oc

    ieyieo}uh U/ ibk` hufz`y`o b}u mbkes`}b `yuq kbq}ybh+ hufz`y`o b}u `h`o

    feoc`k`fb hlzek r`oc fefu}`yor`/ @c`y zefu}`y`oor` }bm`h }eyuq

    ieyk`odu}+ hufz`y`o b}u mb}`fi`}h`o he zec`q zuo}by qegbocc` `z`ibk`

    9=

    QU

    Ieqb kuo`h

    I`

    'Ob" I `

    'Ob" I `

    i

    @

  • 7/23/2019 Dasar Kemagnetan

    25/28

    hufz`y`o b}u }eyzu}`y f`h` zec`q feod`mb bhu} }eyzuo}by m`o hefumb`o

    fefieybh`o ye`hqb flfeo c`r` r`oc fek s`o zefuo}by`o keibg

    k`odu} q`fz`b mba`z`b he`m``o qe}bfi`oc meoc`o flfeo c`r` zuo}by

    zec`q }ez`} feoc`}`qb flfeo c`r` r`oc fefu}`y hufz`y`o/ H`yeo`

    flfeo c`r` ye`hqb zuo}by b}u qei`omboc meoc`o qumu} zuo}by+ f`h`

    mefbhb`o zuk` flfeo c`r` zu}`y hufz`y`o/ ]e}`zb flfeo c`r` zu}`y

    z`m` hufz`y o qei`omboc meoc`o c`r` Klyeo}t r`oc qei`omboc

    meoc`o hu } `yuq kbq}ybh r`oc mbkes }h`o hufz`y o/ D`mb meoc`o

    mefbhb`o hu`} `yuq kbq}ybh mb m`k`f hufz`y`o `h`o qei`omboc meoc`o

    qumu} zu}`y r`oc feyuz`h`o qumu} zuo}by zec`q zuo}by+ `q`kh`o fem`o

    f`coe} r`oc feorbk`oc hufz`y`o b}u mbiu`} glflceo qea`y` y`mb`k+

    r`hob meoc`o feocbybq uduoc&uduoc f`coe} qegbocc` ieyieo}uh

    qe}eoc`g kboch`y`o r`oc fekboch`yb hufz`y`o/

    @m`zuo ieq`yor` flfeo c`r` z`m` hufz`y`o meoc`o

    i`or`hor` kbkb}`o O mbieybh`o lkeg 4

    ' " ' " ' " Ob@IIi`Ob`iIOb`iIOb 66(6

    9

    0

    9

    0

    meoc`o fem`o f`coe} r`oc glflceo qea`y` y`mb`k+ ~eh}ly hu }

    fem`o f`coe}+ m`o iecb}u zuk` ~eh}ly bomuhqb ekeh}ylf`coe}bhor` I +

    qek`ku }ec`h kuyuq zeo`fz`oc hufz`y`o+ r`oc iey`y}b qe`y`g meoc`o

    ~eh}ly ku`q`o @ meoc`o zeo`fz`oc ku`q`o r`oc zeyqecb

    qei`c`bf`o` ufufor` @ 6 `i+ r`b}u z`od`oc h`kb kei`y/

    Oey`a` hek~bo

    Oey`a` hek~bo `m`k`g `k`} uhuy hu`} `yuq kbq}ybh qea`y` `iqlku} abz}``o

    Hek~bo+ r`oc ieym`q`yh`o z`m` c`r` `o}`y` `yuq&`yuq kbq}ybh qed`d`y

    qezey}b r`oc mbhefuh`h`o }eo}`oc `fzeye `iqlku}/

    Eneh G`kk

    G`kk feorekbmbhb }eo}`oc }bfiukor` e/f/n r`oc fekbo} q z`m`

    hemu` }ezb q`fzboc kefzeoc hlomuh}ly r`oc mb kbyb `yuq kbq}ybh dbh`

    kefzeoc b}u mb}efz`}h`o mb m`k`f fem`o f`coe} r`oc c`ybq c`r`or`

    }ec`h kuyuq zeyfuh``o kefzeoc+ lkeg `m`or` c`r` klyeo}t z`m`

    95

  • 7/23/2019 Dasar Kemagnetan

    26/28

    fu`}`o kbq}ybh r`oc feoc`kby qez`od`oc kefzeoc hlomuh}ly b}u z`m`

    `y`g }ec`h kuyuq `y`g feoc`kbyor` `yuq+ r`hob z`m` `y`g m`yb q`}u }ezb

    q`fzboc he }ezb q`fzboc k boor`+ qezey}b r`oc mbdek`qh`o z`m`

    C`fi`y 02/

    Fu`} o kbq}ybh r`oc feoc`kby }eyqeiu} mbi`s` lkeg ekeh}ylo&

    ekeh}ylo/ Ekeh}ylo&ekeh}ylo `h`o feoc`k`fb c`r` klyeo}t he `y`g }ezb

    iek`h`oc r`oc feobfiukh`o fem`o kbq}ybh meoc`o `y`g m`yb mez`o he

    iek`h`oc feocg`k`ocb zeocufzuk`o ekeh}ylo he }ezb iek`h`oc keibg

    k`odu} qegbocc` }eyd`mbk`g heqe}bfi`oc`o meoc`o hu`} fem`o kbq}ybh

    r`oc }ez`} feocbfi`ocb c`r` Klyeo}t/

    C`fi`y 02/ He}ey`oc`o eneh G`kk

    ]e}`zb z`m` heor`}``oor`+ i`g`o hlomuh}ly }bm`h fefzeyg`}bh`o

    ced`k` mefbhb`o/ R`oc fefzeykbg`}h`o ced k` bob `m`k g i`g`o

    qefbhlomuh}ly/ K`cb zuk }ezb iek h`oc m`z`} ieyzl}eoqb k zlqb}bn

    }eyg`m`z }ezb mez`o uo}uh ieiey`z` deobq qefbhlomuh}ly+ r`oc iey`y}b

    i`gs` `yuq kbq}ybh m`z`} ieyuz` `yuq fu`}`o zlqb}bn+ iuh`oor` `yuq

    fu`}`o oec`}bn r`oc mbh`omuoc ekeh}ylo/

    9>

    Ekeh}ylo

    I

    eG `

    }

    eEN 6 e~ w I

  • 7/23/2019 Dasar Kemagnetan

    27/28

    Ieq`yor` efn r`oc fekbo}`q z`m` hemu` }ezb q`fzboc }eyqeiu}

    r`oc hefumb`o mbqeiu} efn/ G`kk+ `h`o qei`omboc meoc`o hu`} `yuq b

    r`oc mbkes }h`o m`o qei`omboc meoc`o Bomuhqb f`coe}bh I r`oc

    feoceo`b zeyfuh``o kefzeoc qea`y` }ec`h kuyuq qey}` ieyi`omboc

    }eyi`kbh meoc`o }ei`k kefzeoc/

    G`k }eyqeiu} m`z`} mbdek`qh`o qei`c`b ieybhu} 4/

    Z`m` he`m``o qe}bfi`oc ieyk`hu zeyq`f``o 4

    Iw~eEe 6

    Mb f`o` e `m`k`g fu`}`o kbq}ybh ekeh}ylo qem`och`o ieq`yor` e/f/n

    G`kk feyuz`h`o uq`g` 0 q`}u`o fu }`o kbq}ybh r`oc fekbo} q kei`y

    kefzeoc+ r`hob 4

    `wEeG 6

    Mbf`o` eG b`k`g e/f/n G`kk r`oc mbf`hqum/

    M`yb zeyq`f``o mb `}`q dek`qk`g i`gs` eG qei`omboc meoc`o I+

    m`o h`yeo` hu } `yuq kbq}ybh b qei`omboc meoc`o heaez`}`o cey h

    ekeh}ylo+ r`hob ~+ }eykbg`} i`gs` eG r`oc qei`omboc meoc`o E+ mb f`o`

    E qei`omboc meoc`o ~+ f`h` eG `h`o qei`omboc meoc`o ~ zuk

    qegbocc` qei`omboc meoc`o b/ Qek odu}or + `z`ibk` y`z`} ekeh}ylo

    `m`k`g m`o }ei`k kefzeoc `m k`} }+ f`h` ekeh}ylo r`oc fekbo} q

    z`m` uduoc hbyb kefzeoc qed`ug ~ m yb uduoc hbyb }eyqeiu} `h`o

    fefzuor`b hu`} `yuq b qeieq`y 4

    ' "~`}b 6

    R`oc hefumb`o feoc`qbkh`o yufuq 4

    }

    bIeG

    06

    Mbm`z`}h`o i`gs` eG ieyi`omboc }eyi`kbh meoc`o }ei`k kefzeoc }+ m`o

    }e} z`o+ qey}` ieyi`omboc kuyuq meoc`o b m`o I/ F`h` mbm`z`}h`o

    }e}`z`o G`kk/

    06GY

    93

  • 7/23/2019 Dasar Kemagnetan

    28/28

    M`yb yufuq mb `}`q hb}` m`z`} fef`g`fb feoc`z` eneh G`kk b}u

    }bm`h }eysudum `z`ibk` kefzeoc`oor` m`yb i`g`o hlomuh}ly+ qei`i

    y`z`} ekeh}ylo iei`qor` ieq`y qeh`kb qegbocc` e/f/n G`kk&or` feod`mb

    heabk qeh`kb m`o }bm`h }ey`f`}b/ Qei`kbhor` uo}uh i`g`o qefbhlomuh}ly

    y`z`} zefi`s` fu`}`o kbq}ybh iei`qor` }bm`h iecb}u ieq`y qegbocc`

    fefieybh`o eG r`oc auhuz ieq`y uo}uh m`z`} mb`f`}b/

    Ieiey`z` qefbhlomuh}ly fefzeykbg`}h`o }ezb iek`h`oc

    oeyzl}eoqb`k zlqb}bn }eyg`m`z r`oc mb mez`o+ feouoduh`o i`gs` fl}ly

    kbq}ybh iei`q r`oc feocg`o}`yh`o `yuq kbq}ybh }bu m`z`} ieyuz` fu`}`o

    kbq}ybh zlqb}bn r`oc }eo}uor` iuh`o r`oc mbh`omuoc ekeh}ylo+ fek`boh`o

    qu`}u klsloc `}`u Glke/

    M@N]@Y ZUQ]@H@

    Ze}ey Qlemldl/ '0222"/ Nbqbh` M`q`y/ Zeoeyib} @omb Rlcr`h y} /

    Rlcr`h`y}`/

    ]gey d + IK/ '023>"/ Nuom`feo} kq ln Ekea}yba k Eocboeeyboc `om

    Ekea}ylobaq/ Y`f O`c`y/ Oes Mekgb/