The plane of a rectangular coil of dimension 5 cm by 8 cm is perpendicular to the direction of a magnetic field B. The coil has 29.7 turns and a total resistance of 12.8 Ohms.
At what rate must the magnitude of B change in order to induce a current of .227 A in the windings of the coil in units of T/s?© BrainMass Inc. brainmass.com March 4, 2021, 5:46 pm ad1c9bdddf
We have induced emf = df/dt
where df/dt is the rate of change of flux.
We have flux df = B.da = B*8*5cm^2 = ...
Provides steps necessary to determine the rate of change in magnitude that must occur.