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MHT CET 2026 (20 May, Shift 1) · Lenz's Law, Eddy Currents & Induced Electric Field

Lenz's Law, Eddy Currents & Induced Electric Field question from MHT CET 2026 (20 May, Shift 1)

Q2MHT CET 2026 · 20 MAY · SHIFT 1Easy

Lenz's Law, Eddy Currents & Induced Electric Field

A bar magnet falls from a height through a metal pipe. Its acceleration will be ( $g$ = acceleration due to gravity)

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Answer: (a)

The falling magnet changes the flux through the metal pipe, inducing eddy currents.
By Lenz's law these currents oppose the motion, giving an upward force.
Net downward force $< mg$ , so acceleration is less than $g$ . Answer (a).

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