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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

A long solenoid of diameter 0.1 m has turns per metre. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis. The current in the solenoid reduces at a constant rate to 0 A from 4 A in 0.05 s. If the resistance of the coil is , the total charge flowing through the coil during this time is

Answer: (C)

Solution

\dfrac{NΔΦ}{R}\dfrac${100×μ_0nΔ I π

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Question ID VK-082230