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7/23/2019 Coulombs Law - Magnetism
http://slidepdf.com/reader/full/coulombs-law-magnetism 1/5
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@CAMI\OT@
3DHYNH@B‟T NCQ
ZHOM\T \H RI@I@BIR
3 @cami|ot` qct eort| hbtiruil om |fi `omircn dcnnil `cami|o|i &Ei4H</ O| ot dcnnil
nhcl &tfhqoma |fi lorid|ohmt/ t|hmi
2 Zrhzir|oit he c `cami|;
c/ Qfim c `cami| ot eriin tytzimlil hr zouh|il. o| dh`it |h rit| tfhqoma mhr|f cmlthy|f lorid|ohmt
b/ Nogi zhnit rizin cml ymnogi zhnit c||rcd| icdf h|fir &Lyec‟t ncq/
d/ C `cami| c||rcd|t tybt|cmdit nogi orhm. modgin. dhbcn|. t|iin i|d
4 Zhni t|rima|f &`/ ;
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b TO ymo| ot c`ziri-`i|ri
d Lo`imtohmcn ehr`ync he ` 0 WONP
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`cami|o{c|ohm &d/ ot lorid|n zrhzhr|ohmcn |h cric he drhtt-tid|ohm
i Othnc|il `cami|od zhnit lh mh| ivot| \fi cri o`caomcr
< @cami|od `h`im| ;
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|fi lot|cmdi |fi` E ∐2
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7/23/2019 Coulombs Law - Magnetism
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qqq-tcgtfoilydc|ohm-dh`
1 @cami|od nomit he ehrdi; C nomi he ehrdi om c `cami|od eoinl ot |fi zc|f hr |fi dyrui
cnhma qfodf c erii ymo| mhr|f zhni |rcuint \fi |cmaim| |h |fi `cami|od eoinl nomi c| c
zhom| aouit |fi lorid|ohm he |fi eoinl omlyd|ohm B c| |fc| zhom|
Uir Tfhr| Cmtqir Syit|ohmt;
3 Lieomi |fi `cami|od `h`im| he c bcr `cami| Qfc| ot o|t lorid|ohm8
Cmt ; @cami|od `h`im| &@/ ; O| ot lieomil ct |fi |hrsyi cd|oma hm c bcr `cami| qfodf
qfim zncdil zirzimlodyncr |h |fi lorid|ohm he ymoehr` `cami|od eoinl he ymo|omlyd|ohm
O| ot cnth lieomil ct |fi zrhlyd| nima|f he c `cami| cml o|t zhni t|rima|f @ 0
2n`
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he |fi `cami|
2 Lot|omayotf bi|qiim ymoehr` cml mhm-ymoehr` `cami|od eoinlt Aoui ivc`znit
& Kymi2:3: /
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tc`i bh|f om `camo|yli cml om lorid|ohm. |fi eoinl ot tcol |h bi ymoehr` `cami|od
eoinl
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ymoehr`
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Mhm —Ymoehr` @cami|od eoinl ; Oe |fi `cami|od omlyd|ohm ucroit erh` zhom| |h
zhom| om c eoinl bh|f om `camo|yli cml om lorid|ohm. |fim |fi eoinl ot tcol |h bi mhm
— ymoehr`
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zhttobni
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lot|cmdi bi|qiim |fi` |fi ehrdi bidh`it lhybnil8
Cmt; Qi fcui2
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l γ By| . 2 32E E 0
7/23/2019 Coulombs Law - Magnetism
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t|rima|f ‖`‟8
Cmt; Zhni t|rima|f 0 `
Nima|f he |fi `cami| &TM/ 0 2r
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1 \fi `cami|od ̀ h`im| he c bcr ̀ cami| ot @ Oe o| ot dy| om|h |qh zoidit om |fi rc|oh
3;2 zirzimlodyncr |h o|t nima|f. qfc| ot |fi rc|oh he |fior `cami|od `h`im|t8
Cmt; Om |fot dcti. zhni t|rima|f ri`comt tc`i ehr bh|f |fi zoidit Fimdi 3 2; 3; 2 @ @ 0
THNUIL ZRHBNI@T
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7/23/2019 Coulombs Law - Magnetism
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icdf h|fir c ehrdi isycn |h44 3: M
−Ñ qfim tizcrc|il b c lot|cmdi he 3: d` Eoml
|fi t|rima|f he icdf zhni
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4 C bcr `cami| he `cami|od `h`im| @ ot bim| om|h c ti`odordni Qfc| ot o|t miq
`cami|od `h`im|8
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rilydil
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ymnogi zhnit om dhm|cd| Oe icdf `cami| fct c `cami|od `h`im| @. qfc| ot |fi
`cami|od `h`im| |fi dh`bomc|ohm8
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2 2
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2 2 @ @ @ ′⇒ 0 '
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CTTITT _HYRTINE;
3 Dcm |fi ehrdi hm ymo| M-zhni bi|qiim |qh othnc|il nogi zhni bi {irh c| cm zhom|8
Cmt; _it. c| |fi `olzhom| he |fi nomi khomoma |fi |qh zhnit |fi ehrdi hm ymo| M-zhni
bidh`it {irh
2 Dcm |fi ehrdi hm ymo| M-zhni bi|qiim |qh othnc|il ymnogi zhnit bi {irh c| cm zhom|8
7/23/2019 Coulombs Law - Magnetism
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g f l
Cmt; Mh C| iuir zhom| hm |fi nomi khomoma |fi` bi|qiim |fi zhnit |fi ehrdit lyi |h
bh|f |fi zhnit qonn bi om |fi tc`i lorid|ohm
2 Qfc| lh hy omeir erh` |fi `cami|od eoinl nomit crhyml c bcr `cami| qfodf cri
dnhtil nhhzt8
Cmt; Othnc|il zhnit lh mh| ivot|
4 Qfc| fczzimt oe c bcr `cami| ot dy| om|h |qh isycn zoidit c/ cnhma o|t nima|f b/
zirzimlodyncr |h o|t nima|f 8
Cmt; c/ \fi zhni t|rima|f ai|t fcnuil cml fimdi |fi `cami|od `h`im| he icdf zoidi bidh`it
fcne he |fi hroaomcn `h`im|
b/ \fi `cami|od nima|f ai|t fcnuil cml fimdi |fi `cami|od `h`im| he icdf zoidi
bidh`it fcne he |fi hroaomcn `h`im|
9 Qfc| ot |fi ̀ cami|od omlyd|ohm c| |fi `ol-zhom| he |fi t|rcoaf| nomi khomoma |fi |qh
zhnit he c fhrti tfhi `cami| tizcrc|il b c lot|cmdi ‖l‟8 &\fi zhni t|rima|f he icdf
zhni ot ‖`‟/
Cmt; @cami|od omlyd|ohm :
2
6
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l
¹
ϊ 0 . |hqcrlt |fi T-zhni cml cqc erh` M-zhni