GEOLOGY

Detailed explanation-1: -AC generator has an electromagnet while a DC generator has permanent magnet. DC generator will generate a higher voltage. AC generator will generate a higher voltage. AC generator has slip rings while the DC generator has a commutator.

Detailed explanation-2: -generator has commutator and a D.C. generator has slip rings.

Detailed explanation-3: -DC Generators: Similar to an AC generator, except that it contains a commutator instead of slip rings. In fact, a DC generator and a motor are the same thing. If you supply electrical energy to the motor, it will spin. But if you spin the motor, you will produce electricity.

Detailed explanation-4: -(d) AC generator has slip rings while the DC generator has a commutator.

Detailed explanation-5: -The similarities between AC generators and DC generators are that both work on the relative motion of a coil between the coil of the wire and the magnetic field which is used in the production of electricity.