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

AC generator will generate a higher voltage

Answer 2

The answer to this question is option c which is AC generator will generate a higher voltage.

It is  one of the most importance differences between the DC generator and AC generator.  

Both the DC  and AC generator  server various purposes.  

The residential applications use the AC generators for powering electrical appliances and small motors.