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In the given figure net magnetic field a...

In the given figure net magnetic field at O will be

A

`(mu_0 i)/(4)[ (1)/(r_1) - (1)/(r_2)]`

B

`(mu_0 i)/(4) [(1)/(r_1) +(1)/(r_2)]`

C

`(mu_0 i)/(2)[(1)/(r_1) -(1)/(r_2)]`

D

`(mu_0 i)/(2) [(1)/(r_1) +(1)/(r_2)]`

Text Solution

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