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For the given electromagnetically couple...

For the given electromagnetically coupled circuits: (S is initially in closed state)

A

When switch S is open current in R' flows from a to b

B

When switch S is opened current in R' flows from b to a

C

When coil B is brought closer to coil A current in R' flows from b and a

D

When R is decreased then current in R' flows from b to a

Text Solution

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The correct Answer is:
A, C, D
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