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प्रश्न
Explain the function of the following parts of an electric motor.
Split ring
उत्तर
Split ring: Split ring is used for reversing the direction of flow of current through the coil.
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संबंधित प्रश्न
Name some devices in which electric motors are used
Explain the function of the following parts of an electric motor.
Brushes
Name the device which is used to reverse the direction of current in the coil of a motor?
State what would happen to the direction of rotation of a motor if:
the current were reversed
What are the special features of commercial electric motors?
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.
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 most suitable material for making permanent magnets is ______.
The moving part of an electric motor is called ______.
