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प्रश्न
What is the role of the spilt ring in an electric motor?
उत्तर
The role of split ring in an electric motor is to reverse the direction of current in the coil of the motor.
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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.
Armature
Of what substance is the core of the coil of an electric motor made?
State what would happen to the direction of rotation of a motor if:
the current were reversed
Which device is used to produce electricity? Describe with a neat diagram.
Study the following principle and answer the question.
A force is excreted on the current carrying conductor. The direction of this force depends on both the direction of the current and the direction of the magnetic field. This force is maximum when the direction of current is perpendicular to the direction of the magnetic field.
a) By which law we can determine the direction of force excreted on the current carrying conductor.
b) In which electrical equipment this principle is used.
c) Draw a diagram representing construction of this equipment.
d) Write the working of this equipment in brief.
Electric motors are devices that convert electrical energy into mechanical energy.
In which electric motor appliances do we use it?
Material of the core of a strong magnet is ____________.
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?