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Figure shows a current loop having two c...

Figure shows a current loop having two circular arcs joined by two radial lines. Find the magnetic field B at the centre O.

A

`(mu_(0)itheta)/(2piab)(b-a)`

B

`(mu_(0)I theta)/(2piab)(b-a)`

C

Zero

D

`(mu_(0)itheta)/(3piab)(b+a)`

Text Solution

Verified by Experts

The correct Answer is:
B
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