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Two identical current carrying coaxial l...

Two identical current carrying coaxial loops, carry current I in an opposite sense. A simple amperian loop passes through both of them once. Calling the loop as C,

A

`underset(c)(oint) vecB.vecdl=pm2mu_(0)J`

B

the value of `oint vecB.vecdl` is independent of sense of C.

C

there may be a point on C where B and dl are parallel.

D

none of these

Text Solution

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The correct Answer is:
B
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