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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

`ointB.dl=mu_(0)I`

B

the value of `ointB.dl=+-2mu_(0) I` is independent of sense of C.

C

there mat be a point on C where, B and dI are perpendicular

D

B vanishes everywhere on C.

Text Solution

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The correct Answer is:
B, C
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