If the rotating coil used in a generator has its radius doubled,what change results in the amplitude of the voltage produced? A)It doubles. B)It quadruples. C)It is increased by a factor 2^3/2. D)It stays the same.

Question

Quizplus · Accepted Answer

The amplitude of the voltage produced by a rotating coil in a generator is directly proportional to the radius of the coil. Therefore, if the radius is doubled, the area of the coil increases by a factor of four (since area is proportional to the square of the radius), leading to a quadrupling of the induced voltage.

If the Rotating Coil Used in a Generator Has Its