Advertisements
Advertisements
Question
Draw a labelled diagram of an electric motor.
Solution
APPEARS IN
RELATED QUESTIONS
Explain the function of the following parts of an electric motor.
Armature
A motor converts one form of energy into another. Name the two forms.
What is the function of a commutator in an electric motor made ?
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?
What is an electric motor? With the help of a labelled diagram, describe the working of a simple electric motor
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.
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 ____________.
How can the speed of rotation of a coil be increased? Write at least three methods.
Define electric motor.