Physics · Electromagnetic Induction
A coil having an effective area 'A' is held with its plane normal to a magnetic field of induction 'B'. If the magnetic induction is quickly reduced to 25% of its initial value in 1 second, the magnitude of the e.m.f. induced in the coil (in volts) will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13BA4✓
- 23BA8
- 3BA2
- 4BA4
Correct answer
3BA4
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