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A flat coil of n turns, area A and carry...

A flat coil of `n` turns, area `A` and carrying a current `I` is placed in a uniform magnetic field of magnitude `B`. The plane of the coil makes an angle `theta` with the direction of the field. The torque acting on the coil is

A

`BinAsin theta`

B

`(nAi)/B sin theta`

C

`Bin A cos theta`

D

`Bin^(2) A cos theta`

Text Solution

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The correct Answer is:
C
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