Question

The essential difference between an AC generator and a DC generator is that:

(a) AC generator has an electromagnet while a DC generator has permanent magnet.
(b) DC generator will generate a higher voltage.
(c) AC generator will generate a higher voltage.
(d) AC generator has slip rings while the DC generator has a commutator.

Answer 1

(d) A.C. generator has slip rings while D.C. generator has a commutator.
A.C. generator has slip rings, whereas D.C. generator has a commutator.