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प्रश्न
Fill in the following blank with suitable words:
A motor contains a kind of switch called a .......... which reverses the current every half .......... .
उत्तर
Fill in the following blanks with suitable words:
A motor contains a kind of switch called a commutator which reverses the current every half rotation.
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संबंधित प्रश्न
What is the role of the spilt ring in an electric motor?
In a d.c. motor, why must the current to the coil be reversed twice during each rotation?
State what would happen to the direction of rotation of a motor if:
In what ways can a motor be made more powerful?
Electric motor : converts electrical energy into mechanical energy : : Electric generator : _______
In which electric motor appliances do we use it?
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.
Which of the following converts electrical energy into mechanical energy?
An electric motor converts ______.
List the main parts of an electric motor.
How can the speed of rotation of a coil be increased? Write at least three methods.
