Q
In a generator, what would be the result if the coil is rotated at double the original speed in the same magnetic field?
RRB Group D
18 Aug, 2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:
B
The induced potential difference will be twice as large
The induced emf in a generator is proportional to the rate of change of magnetic flux. Doubling the rotation speed therefore doubles the induced potential difference.
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