
Distinguish between electric motor and electric generator.
Answer
491.7k+ views
Hint: The electric motor and electric generator are mechanical machines; one generates mechanical energy while the other generates electrical energy. Both work on different principles and follow different rules.
Complete step by step solution:
The electric motor and electric generator perform opposite work; however, their basic structure is the same. The below tables shows the difference between the electric motor and electric generator on different factors:
Note:
The similarities of the electric motor and electric generator are both used permanent magnets, both used magnetic fields as a coupling medium, most of the components of both devices are the same like, armature winding, field winding, core, etc.
Complete step by step solution:
The electric motor and electric generator perform opposite work; however, their basic structure is the same. The below tables shows the difference between the electric motor and electric generator on different factors:
Factor | Electric Motor | Electric Generator |
Function | It is a mechanical device that transforms electrical energy to mechanical energy. | It is a mechanical device that transforms mechanical energy to electrical energy. |
Electricity | It runs with the help of electricity. | It generates electricity. |
Current | In electric motors, the current is needed to supply the armature windings. | In electric generator, the current is generated in the armature windings |
Principle | The principle of electric motors is based on the force experienced by a current carrying current when it is put in a magnetic field. | The principle of electric generators is based on electromagnetic induction. |
Rule | Electric motor follows Fleming’s left hand rule. | Electric generator follows Fleming’s right hand rule. |
Driven element | The magnetic field set up between the armature and field drives the shaft of the electric motor. | The mechanical force drives the shaft, which is connected to the electric generator. |
Example | Electric bike, scooter or car, ceiling fans etc. | Generators help in generating the power in power stations. |
Note:
The similarities of the electric motor and electric generator are both used permanent magnets, both used magnetic fields as a coupling medium, most of the components of both devices are the same like, armature winding, field winding, core, etc.
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