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प्रश्न
List the main parts of an electric motor.
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उत्तर
Main parts of an electric motor are:
- Shaft,
- Primary and Secondary windings,
- Ball bearings,
- Armature,
- Stator,
- Commutator,
- Brushes,
- Terminals
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संबंधित प्रश्न
State whether the following statement is true or false.
An electric motor converts mechanical energy into electrical energy.
Fill in the following blank with suitable words:
A motor contains a kind of switch called a .......... which reverses the current every half .......... .
What is an electric motor? With the help of a labelled diagram, describe the working of a simple electric motor
Name some of the devices in which electric motor are used.
Electric motor : converts electrical energy into mechanical energy : : Electric generator : _______
Observe the figure and write the answers to the questions asked.
- The construction shown in the figure is of which device?
- Explain the principle on which this device works.
- Write any three uses of this device.
State whether true or false. If false, correct the statement.
The speed of rotation of an electric motor can be increased by decreasing the area of the coil.
Commercial electric motors do not use ____________.
Draw an appropriate schematic diagram showing common domestic circuits and discuss the importance of fuse. Why is it that a burnt out fuse should be replaced by another fuse of identical rating?
The moving part of an electric motor is called ______.
