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In a region of uniform magnetic inductio...

In a region of uniform magnetic induction `B=10^(2)` tesla, a circular coil of radius `30 cm` and resistance `pi^(2)` ohm is rotated about an axis which is perpendicular to the directon of `B` and which form a diameter of the coil. If the coil rotates at `"200rpm"` the amplitude of the alternating current induced in the coil is

A

`4pi^(2) mA`

B

`30 mA`

C

`6 mA`

D

`200 mA`

Text Solution

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The correct Answer is:
B
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