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प्रश्न
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.
पर्याय
True
False
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उत्तर
False
Correct Statement: The speed of rotation of coil can be increased by increasing the area of the coil.
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संबंधित प्रश्न
Explain the function of the following parts of an electric motor.
Brushes
Fill in the following blank with suitable words:
Fleming's Rule for the motor effect uses the .......... hand.
State what would happen to the direction of rotation of a motor if:
In what ways can a motor be made more powerful?
Tell the odd one out. Give a proper explanation.
What is an electric motor?
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 ____________.
Material of the core of a strong magnet is ____________.
Draw a labelled circuit diagram of a simple electric motor and explain its working. In what way these simple electric motors are different from commercial motors?
How can the speed of rotation of a coil be increased? Write at least three methods.
Define electric motor.
