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Faraday’s Laws
According to the Faraday’s first law, whenever the amount of magnetic flux linked with a circuit changes, an emf is induced in it. Induced current is determined by the rate at which the magnetic flux changes.
Mathematically, the magnitude of the induced emf in a circuit is equal to the rate of change of magnetic flux through the circuit.
Induced emf `prop` Rate of change of magnetic flux
image
The flux linked with a circuit is given by `phi=t^3+3t-7`. The graph between time (X-axis) and induced emf (Y-axis) will be a
Options:
(a) straight line through the origin (b) straight line with positive intercept
(c) straight line with negative intercept (d) parabola not through the origin

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