A circular coil with 39 turns of wire and a diameter of 4
A circular coil with 39 turns of wire and a diameter of 4 cm is placed in a magnetic field given by B(t) = 4t^2 + 4t + 5T where t is time in seconds. The field is perpendicular to the plane of the coil. What is the induced EMF at t = 7s?
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