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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

The emf induced in a secondary coil is 20000 V, when the current breaks in the primary coil. The mutual inductance is 5H and the current reaches to zero in s in the primary. The maximum current in the primary before it breaks is

Answer: (B)

Solution

gives A; 0.1

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Question ID VK-082207