If the rotation rate of a generator coil is doubled,what happens to the peak emf?
A) it stays the same
B) it doubles
C) it quadruples
D) it halves
E) it quarters

Question

Quizplus · Accepted Answer

The peak emf is directly proportional to the rate of change of magnetic flux, which, in turn, is directly proportional to the rotational rate of the coil. Therefore, if the rotational rate is doubled, the peak emf will also double.

If the Rotation Rate of a Generator Coil Is Doubled,what