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प्रश्न
What is the function of a commutator in an electric motor made ?
उत्तर
The function of a commutator in an electric motor is to reverse the direction of current in the coil of the motor.
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संबंधित प्रश्न
Name any four appliances where electric motor is used.
What is the role of the split ring in an electric motor?
Explain the function of the following parts of an electric motor.
Brushes
A motor converts one form of energy into another. Name the two forms.
In an electric motor, which of the following remains fixed and which rotates with the coil?
Commutator ; Brush
State what would happen to the direction of rotation of a motor if:
In what ways can a motor be made more powerful?
In an electric motor, the direction of current in the coil changes once in each:
two rotations
one rotation
half rotation
one-four rotation
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.
Direction of rotation of a coil in electric motor is determined by ____________.
In an electric motor, to make the coil rotating continuously in the same direction, the current is reversed in the coil after every half rotation by a device called ____________.
