An electric motor is a device which transforms:

(a) mechanical energy to electrical
(b) heat energy to electrical energy
(c) electrical energy to heat energy only
(d) electrical energy to mechanical energy

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Solution

(d) electrical energy to mechanical energy

Electric motor converts electric energy into mechanical energy.

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Similar questions

Q. An electric generator converts:

(a) electrical energy into mechanical energy.
(b) mechanical energy into heat energy.
(c) electrical energy into chemical energy.
(d) mechanical energy into electrical energy.

Q. Which of the following natural directions of energy transformation are correct?
1.Heat energy to mechanical energy
2.Mechanical energy to heat energy
3.Heat energy to electrical energy
4.Electrical energy to heat energy

In an electric motor, the energy transformation is
(a) from electrical to chemical
(b) from chemical to light
(c) from mechanical to electrical
(d) from electrical to mechanical.

Q. Name the devices or machines which convert :

(a) Mechanical energy into electrical energy.
(b) Chemical energy into electrical energy.
(c) Electrical energy into heat energy.
(d) Light energy into electrical energy.
(e) Electrical energy into light energy.

Q. Match the following:

\begin{matrix} Device & Principle 1 & Electric Motor & a & Magnetic effect of current 2 & Dynamo & b & Increase or decrease the alternating voltage 3 & Transformer & c & Converts mechanical energy to electrical energy 4 & Electric Bell & d & Converts electrical energy to mechanical energy \end{matrix}

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An electric motor is a device which transforms: (a) mechanical energy to electrical (b) heat energy to electrical energy (c) electrical energy to heat energy only (d) electrical energy to mechanical energy

(d) electrical energy to mechanical energyElectric motor converts electric energy into mechanical energy.

An electric motor is a device which transforms:

(a) mechanical energy to electrical
(b) heat energy to electrical energy
(c) electrical energy to heat energy only
(d) electrical energy to mechanical energy

(d) electrical energy to mechanical energy

Electric motor converts electric energy into mechanical energy.