The current in the primary coil of a pair of coils changes from 7 A to 3 A in 0.4 s. The…
Physics · Class 12 · CBSE — Electromagnetic Induction
The current in the primary coil of a pair of coils changes from 7 A to 3 A in 0.4 s. The mutual inductance between the two coils is 0.5 H. The induced emf in the secondary coil is
- 50 V
- 75 V
- 100 V
- 220 V
Answer
(A) 50 V
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