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A circular coil P of 100 turns and radiu...

A circular coil `P` of `100` turns and radius `2cm` is placed coaxially at the center of another circular coil `Q` of `100` turns and radius `20cm` . Calculate (a) the mutual inductance of the coils
(b) the induced emf in coil `P` when the current in the coil `Q` decreases from `5A` to `3A` in `0.04` sec (Take `pi^(2)=10)`

Text Solution

Verified by Experts

The correct Answer is:
`(a) 3.94xx10^(-4)H (b) 19.72xx10^(-3)V (c ) 19.72xx10^(-3)Wb//s (d) 9.86xx10^(-5)C`
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