Two coils are placed near each other. When the current in one coil is changed at the rate…
Physics · Class 12 · CBSE — Electromagnetic Induction
Two coils are placed near each other. When the current in one coil is changed at the rate of \(5 {~A} / {s}\) , an emf of 2 mV is induced in the other. The mutual inductance of the two coils is
- 0.4 mH
- 2.5 mH
- 10 mH
- 2.5 H
Answer
(A) 0.4 mH
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