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In a region of a uniform magnetic induct...

In a region of a uniform magnetic induction `B=10^(-3)T`, a circular coil of raidus `40cm` and resistance `pi^(3)Omega` is rotated about an axis which is perpendicular to the direction of `vecB` and which forms a diameter of the coil. If the coil rotates at `400` r.p.m., the amplitude of the alternating current induced in the coil is

A

`4mA`

B

`0.68mA`

C

`5mA`

D

`200mA`

Text Solution

Verified by Experts

The correct Answer is:
B
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