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Two coils A and B have coefficient of mu...

Two coils A and B have coefficient of mutual inductance M=2H. The magnetic flux passing through coil A changes by 4 Wb in 10 s due to the change in current in B Then

A

Change in current in B in this time interval is 0.5 A

B

Change in current in B in this time interval is 8 A

C

The change in current in B in this time interval is 2 A

D

A change in the current of 1 A in coil A will produce a change in flux passing through B by 4 Wb

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The correct Answer is:
C
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