A 10-turn coil of wire having a diameter of 1.0 cm and a resistance of 0.90 Ω is in a 1.0 mT magnetic field, with the coil oriented for maximum flux. The coil is connected to an uncharged 2.0 μF capacitor rather than to a current meter. The coil is quickly pulled out of the magnetic field.
Afterward, what is the voltage across the capacitor?
Hint: Use I
=dq/dt to relate the
net change of flux to the amount of charge that flows to
the capacitor.
A 10-turn coil of wire having a diameter of 1.0 cm and a resistance of 0.90...
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A 32-turn circular coil of radius 4.80 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, where B is in teslas and t is in seconds. Calculate the induced emf in the coil at t = 5.20 s. If the flux is changing as a function of time, how...