If the number of turns in a rectangular coil of wire that is rotating in a magnetic field is doubled, what happens to the induced emf, assuming all the other variables remain the same?
A) It stays the same.
B) It is reduced by a factor of 4.
C) It is reduced by a factor of 2.
D) It is doubled.
E) It is quadrupled.

Question

Quizplus · Accepted Answer

The induced emf is directly proportional to the number of turns in the coil. Therefore, if the number of turns is doubled, the induced emf will also be doubled.

If the Number of Turns in a Rectangular Coil of Wire