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MHT CET Physics question

PhysicsElectromagnetic InductionMHT CET

A coil has 2000 turns and area of 70 . The magnetic field perpendicular to the plane of the coil is 0.3 and takes 0.1 s to rotate through 180°. The value of the induced e.m.f. will be

Answer: (B)

Solution

Rotating through 180° changes the flux from to , so Wb and $e =

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Question ID VK-082047