The essential difference between and AC generator and a DC generator is that…..

Options

A. an AC generator has an electromagnet while a DC generator has permanet magnet.
B. a DC generator will generate a higher voltage
C. an AC generator will generate a higher voltage .
D. an AC generator has slip rings while the DC generator has a commutator .

Answer

D

Explanation

An AC generator has slip rings while the DC generator has a commutator.
[Due to the slip rings , the direction of the current produced by an AC generator is reversed at regualar interval of time , while the current produced by a DC generator always flows in one direction].