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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

An average induced e.m.f. of 1 V appears in a coil when the current in it is changed from 10 A in one direction to 10 A in opposite direction in 0.5 s. Self-inductance of the coil is

Answer: (A)

Solution

The current changes by A in 0.5 s, so mH; 50 mH

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Question ID VK-082029