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The magnetic field in a certain cylindri...

The magnetic field in a certain cylindrical region is changing with time according to the law `B=[16-4t^(2)]` Tesla . The magnitude of induced electric field at point P at time t= time =2 sec , is

A

8 volt/m

B

6 volt/m

C

4 volt/m

D

none

Text Solution

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The correct Answer is:
A
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