Electric Motor

IMPORTANT

Electric Motor: Overview

This topic covers concepts, such as, Electric Motor, Working of an Electric Motor, Uses of Armatures in Electric Motors & Commercial Motors etc.

Important Questions on Electric Motor

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What is the use of armature in an electric motor?

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Instead of a permanent magnet, an electromagnet is used in commercial motor.

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What is the difference between commercial motors and normal electric motors?

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Armature of the electric motor is a current carrying loop.

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When armature rotates, axle also rotates. 

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Select the correct statements.

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The principle of working of a motor is

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Electric motor converts electrical enerygy into_____energy.

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Electric motor converts ____________.

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Which device is used for converting electric energy into mechanical energy?

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Molecular tiny motor generates rotation by using _____ charge to spin the atom.

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Molecular tiny motor works under the same principle as that of an AC or DC motor and has similar construction.

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An electric motor converts electrical energy into mechanical energy.

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The direction of magnetic force produced by a motor is perpendicular to the direction of-

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Differentiate between an electric motor and a generator.