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प्रश्न
What is an electric motor?
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उत्तर
Electric motor : An electric motor is a device which converts the electrical energy into the mechanical energy.
संबंधित प्रश्न
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Complete the following sentence :
On reserving the direction of current in a wire, the magnetic field produced by it gets _____.
State two factors on which the magnitude of an induced e.m.f. in the secondary coils of a transformer depends.
State two advantages of an electromagnet over a bar magnet.
State the factors that can increase the speed of rotation of the coil in a D.C. motor.
State the principle of a D. C. motor.
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State the function of a split ring in D.C. motor.
