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A conductor carrying current I is of the...

A conductor carrying current I is of the type as shown in figure. Find the magnetic field induction at the common centre O of all the three arcs.

A

`(5 mu i theta)/( 24 pi R ) `

B

`( m_(0) itheta)/( 24 pi R ) `

C

`(11 mu_(0) itheta)/( 24 piR )`

D

zero

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The correct Answer is:
A
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