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MHT CET 2024 Physics question

PhysicsElectromagnetic InductionMHT CET 2024

A coil of resistance 250 is placed in a magnetic field. If the magnetic flux () linked with the coil varies with time (s) as . The current in the coil at t = 4 s is

Answer: (D)

Solution

By Faraday's law the induced emf is the magnitude of the rate of change of flux: . At s, V. The current is

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Question ID VK-099797