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MHT CET 2025 Physics question

PhysicsElectromagnetic InductionMHT CET 2025

The coefficient of mutual induction is 2 H and induced e.m.f. across secondary is 2 kV. Current in the primary is reduced from 6 A to 3 A. The time required for the change of current is

Answer: (D)

Solution

The emf induced in the secondary is . Here H, V, A. So \frac${M|Δ

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Question ID VK-101284