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A current I ampere flows in a circular a...

A current I ampere flows in a circular arc of wire whose radius is R,Which subtends an angle `3pi//2` radius at its cectre .The magnetic induction B at the centre is

A

`(mu_0i)/(R)`

B

`(mu_0i)/(2R)`

C

`(2mu_0i)/(R)`

D

`(3mu_0i)/(8R)`

Text Solution

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The correct Answer is:
D
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