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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

Mutual inductance between primary and secondary is 0.5 H. The resistances of primary and secondary are 20Ω and 5Ω respectively. to produce 0.4 A current in the secondary it is necessary that the current in the primary should be

Answer: (C)

Solution

Required secondary emf V; A/s; the

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Question ID VK-081601