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Question

Name a device which converts electrical energy into mechanical energy. State the principle on which it is based.


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Solution

Step 1: Electrical Energy and Mechanical Energy.

Electrical energy is the energy produced by the movement of electrically charged particles.

Mechanical Energy is the energy required to do a work or the sum of kinetic energy and potential energy.

Step 2: Name the Device

The device that converts electrical energy into mechanical energy is an Electric Motor.

An electric motor is a variety of prime mover for a mechanical system.

Step 3: Principle of Electric Motor.

When the electricity reaches the motor, it passes through coils of wire wrapped around a metal base.
When current flows over a wire, it creates a magnetic field that applies force clockwise.


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