Physics · Electromagnetic Induction
A 12 V battery connected to a coil of resistance 6 Ω through a switch drives a constant current in the circuit. If the switch is opened in 1 ms and the average induced emf across the coil is 20 V, then the self-inductance of the coil is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
10 mH
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