A cylindrical bar magnet is rotated about its axis as shown in figure. A wire is…

Physics · Class 12 · CBSE — Electromagnetic Induction

1. a direct current flows in the ammeter A.

2. no current flows through the ammeter A. 

3. an alternating sinusoidal current flows through the ammeter A with a time period, .
4. a time varying non sinusoidal current flows through the ammeter A.

Answer

(B) no current flows through the ammeter A.

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