PHYSICS · Subjective · Fermi University Physics · Electricity, Magnetism & Electromagnetism · Electromagnetic induction and alternating-current circuits · Electromagnetic induction and alternating-current circuits
Electricity, Magnetism and Electromagnetism, Ch Faraday's law, motional emf and Lenz's law
Problem
A flat coil of N=150 turns, each of area A=25cm2, is held at rest inside a large electromagnet. The magnetic field is uniform over the coil and perpendicular to its plane, and its magnitude is increased steadily at dB/dt=0.80Ts−1. Find the magnitude of the emf induced in the coil.