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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.
विकल्प
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
What is the Principle of an Electric motor?
Explain the construction and working of an electric motor.
State whether the following statement is true or false:
An electric motor converts mechanical energy into electrical energy.
Of what substance is the core of the coil of an electric motor made?
In an electric motor, which of the following remains fixed and which rotates with the coil?
Commutator ; Brush
Fill in the following blank with suitable words:
A motor contains a kind of switch called a .......... which reverses the current every half .......... .
State what would happen to the direction of rotation of a motor if:
the current were reversed
What are the special features of commercial electric motors?
Tell the odd one out. Give proper explanation.
Loud speaker, Microphone, Electric motor, Magnet.
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?
