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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

If the current in the primary coil is reduced from 3A to zero in10 second, then the induced emf in the secondary is 15 × Volt. The mutual inductance of the coil will be

Answer: (B)

Solution

\dfrac{e}{Δ I/Δ t}\dfrac{15×10^{-3}}{3/10}$ =

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Question ID VK-081584