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As shown in the figure, a long straight ...

As shown in the figure, a long straight conductor with semicircular arc of radius m `pi/10 ` is carrying current` I = 3A.` The magnitude of the magnetic field at the center `O` of the arc is :
(The permeability of the vacuum `= 4pi times 10^(–7 ) N A^(–2 ))`

A

`6muT`

B

`4muT`

C

`3muT`

D

`1muT`

Text Solution

Verified by Experts

The correct Answer is:
C
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