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A coil of area 10cm^2 and 10 turns is in...

A coil of area `10cm^2` and 10 turns is in magnetic field directed perpendicular to the plane and changing at a rate of `10^8 gauss//s`. The resistance of coil is `20Omega`. The current in the coil will be

A

`0.5 A`

B

`5A`

C

`50 A`

D

`5 xx 10^(8)A`

Text Solution

Verified by Experts

The correct Answer is:
B
`i = (1)/(R )NA.(dB)/(dt) = (1)/(20) xx 10 xx 10^(-3) xx 10^(4)`
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