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Grade 12th passMagnetism

Accourding to the answer key answer is D. But i got answer C.
emf=-d(phi)/dt
Magnetic field itself is negative so the flux should be decreasing when the loop enters to the magnetic field.That means the emf should be positive from 0 to w

Please tell me where i made mistake

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Profile image of abcd
8 Years agoGrade 12th pass
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1 Answer

Profile image of ROSHAN MUJEEB
6 Years ago
u made mistake in applying lenz law