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Question
_________ is a device which converts electrical energy into mechanical energy.
_________ is a device which converts electrical energy into mechanical energy.
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Solution
The correct option is D Motor
A motor is an electrical machine or device that converts electrical energy into mechanical energy.
Speaker is a device in which electrical energy is converted into vibration then into sound energy.
An electric heater is an electrical device where electrical energy is converted into heat energy.
Television is a device in which electrical energy is converted into sound, light and unwanted heat energy.
So the correct option is (d).
Motor
A motor is an electrical machine or device that converts electrical energy into mechanical energy.
Speaker is a device in which electrical energy is converted into vibration then into sound energy.
An electric heater is an electrical device where electrical energy is converted into heat energy.
Television is a device in which electrical energy is converted into sound, light and unwanted heat energy.
So the correct option is (d).
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