MHT CET 2022 Physics question
When a current of 4 A changes to 8 A in 0.6 s in a primary coil, it induces an e.m.f. of 50 mV in secondary coil. The mutual inductance between two coils is
Answer: (C)
Solution
The induced emf in the secondary coil is . The rate of change of primary current: A/s. Therefore $M =
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