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प्रश्न
State what would happen to the direction of rotation of a motor if:
the current were reversed
उत्तर
The direction of rotation of the motor will get reversed on reversing the direction of flow of current in the coil.
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संबंधित प्रश्न
Explain the function of the following parts of an electric motor.
Armature
Name the device which is used to reverse the direction of current in the coil of a motor?
Of what substance is the core of the coil of an electric motor made?
What is the role of the spilt ring in an electric motor?
In an electric motor, the direction of current in the coil changes once in each:
two rotations
one rotation
half rotation
one-four rotation
An electric motor is a device which transforms:
mechanical energy to electrical
heat energy to electrical energy
electrical energy to heat energy only
electrical energy to mechanical energy
Electric motor : converts electrical energy into mechanical energy : : Electric generator : _______
Which of the following converts electrical energy into mechanical energy?
How can the speed of rotation of a coil be increased? Write at least three methods.
Observe the following diagram and answer the questions.
- Construction of which equipment does the above diagram show?
- On which principle does this equipment work?
- According to which law the coil ABCD rotates?
- Write the law in your own words.
- Where is this equipment used?
