AC generator will have ___ rings.
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.
The current produced by a generator with slip rings will have which of the following variations with time?
