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Figure a, b show two Amperian loops asso...

Figure a, b show two Amperian loops associated with the conductors carrying current I in the sense shown. The `ointbarB` . dl in the cases a and b will be respectively.

A

`-mu_0I,0`

B

`mu_0I,0`

C

`0,mu_0I`

D

`0,-mu_0I`

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CHETANA PUBLICATION-Magnetic Fields due to Electric Current-Exercise
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