The coefficient of mutual induction betw...

The coefficient of mutual induction between two coils is 4H. If the current in the primary reduces from 5A to zero in `10^(-3)` second then the induced e.m.f in the secondary coil will be

`10^(4)`V

`25 xx10^(3)V`

`2 xx10^(4)`V

`15 xx10^(3)`V

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