Mathematics · Electromagnetic Induction
A coil of 45 turns and radius 4 cm is placed in a uniform magnetic field such that its plane is perpendicular to the direction of the field. If the magnetic field increases from 0 to 0.70 T at a constant rate in a time interval of 220 s, then the induced emf in the coil is nearly:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.96 mV
- 20.72 mV✓
- 30.50 mV
- 40.32 mV
Correct answer
0.72 mV
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