Multiple choice

An electric motor is used to convert

  1. electrical energy into mechanical energy

  2. mechanical energy into kinetic energy

  3. mechanical energy into electrical energy

  4. higher voltage to lower voltage
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A Correct answer
Explanation

An electric motor works on the principle that a current-carrying conductor in a magnetic field experiences a force. It takes electrical energy as input and produces mechanical energy (rotational motion) as output. This is the opposite of a generator, which converts mechanical energy to electrical energy.

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