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प्रश्न
State two ways by which the speed of rotation of an electric motor can be increased.
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उत्तर
The speed of rotation of an electric motor can be increased by:
- Increasing the strength of current.
- Increasing the number of turns in the coil.
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संबंधित प्रश्न
write two uses of DC motor
Draw a labelled diagram of a D.C. motor showing its main parts.
What energy conversion does take place during the working of a d.c. motor?
Name two appliances in which an electric motor is used.
In an electric motor the energy transformation is ______.
What is an electric motor?
Commercial electric motors do not use
Describe the working of an AC generator with the help of a labelled circuit diagram. What changes must be made in the arrangement to convert it to a DC generator?
State two factors affecting the coil's rotation speed in a D.C. motor.
State the principle of an electric motor.
