Figure shown a current loop two circular...

Figure shown a current loop two circular arcs jioned 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

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The correct Answer is:

B

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