How much does the maximum EMF produced by a generator a rotating coil) change if the period of rotation is doubled?
A) It is the same.
B) It is doubled.
C) It is quadrupled.
D) It is halved.
E) It is quartered.

Question

Quizplus · Accepted Answer

The maximum EMF produced by a generator is proportional to the angular velocity. If the period of rotation is doubled, the angular velocity is halved, thus the maximum EMF is also halved.

How Much Does the Maximum EMF Produced by a Generator