Physics · Electromagnetic Induction
When the current in a coil changes from 2 A to 4 A in 0.05 s, an electromotive force (e.m.f.) of 8 V is induced in the coil. The coefficient of self-inductance of the coil is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.8 henry
- 20.4 henry
- 30.2 henry✓
- 40.1 henry
Correct answer
0.2 henry
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