Current Electricity: Lenz's Law in Circuits MCQ

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Lenz's Law in CircuitsMediumQuestion 31680

Question

When current in a circuit is switched off, the energy stored in any inductors is eventually:

A
Returned to battery
B
Stored in capacitors
C
Dissipated as heat in resistance
Correct
D
Converted to light

Correct answer

Dissipated as heat in resistance

Explanation

Inductor's energy = ½LI² discharges through circuit resistance as current decays. The arc/spark seen at switch-off is a visible manifestation of this energy release.

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