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Equal current i flow in two segment of...

Equal current i flow in two segment of a circular loop in the direcation shown in figure . Radius of the loop is a. Mgentic field at the centre of the loop is

A

zero

B

`((pi - theta)/( pi)) ( mu_0 i)/( 2a)`

C

`((2 pi - theta)/( pi))(mu_0 i)/( 2a)`

D

`((theta)/ ( 2pi)) ( mu_0 i)/( 2a)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MOVING CHANGES & MEGNETISM)
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