Choose the correct option. A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each 1. two revolutions 2. one revolution 3. half revolution 4. one-fourth revolution
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Solution:
- half revolution
When a rectangular coil is rotated in a magnetic field, the direction of the induced current changes once in a half revolution; as a result, the direction of the current in the coil remains the same.