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Railways PYQCBT 1 2016

RRB NTPC · Question 70

An electric motor converts

  1. Mechanical energy into electrical energy.

  2. Thermal energy into electrical energy.

  3. Electrical energy into mechanical energy.

  4. Radiant energy into electrical energy.

Show answer & explanation

Answer: (C) Electrical energy into mechanical energy.

Explanation

An electric motor converts electrical energy into mechanical energy (rotation), using the force on a current-carrying conductor in a magnetic field. A generator does the reverse.