Difference between Alternator and Generator

 

Basis for Comparison	Alternator	Generator
Definition	A machine that converts mechanical energy into AC electrical power.	A machine that changes mechanical energy into electrical energy (AC or DC).
Current	Induces alternating current	Generate both AC & DC.
Magnetic Field	Rotating	Stationary
Input Supply	Takes from the stator.	Takes from the rotor.
Armature	Stationary	Rotatory
Output EMF	Alternating	Constant
RPM (Rotation per minute)	Wide Range	Narrow Range
Dead Battery	Do not charge	charge
Output	Higher	Lower