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The coefficient of mutual induction betw...

The coefficient of mutual induction between the primary and secondary of a transformer is 5 H. Calculate the induced emf in the secondary when 3 ampere current in the primary is cut off in `2.5 xx 10^(-4)` second.

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To solve the problem, we need to calculate the induced electromotive force (emf) in the secondary coil of a transformer when the current in the primary coil is cut off. We will use the formula for induced emf in terms of mutual inductance and the rate of change of current. ### Step-by-Step Solution: 1. **Identify Given Values:** - Coefficient of mutual inductance (M) = 5 H - Initial current in primary coil (I_initial) = 3 A - Final current in primary coil (I_final) = 0 A (since the current is cut off) ...
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