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5 Written questions

5 Multiple choice questions

  1. a machine that changes mechanical energy into electric power
  2. The process by which moving a wire through a magnetic field produces an electric current
  3. a current-carrying coil of wire with many loops that acts as a magnet
  4. attached to the armature in a motor; changes the direction of the electric current
  5. A device that can increase or decrease the voltage of an alternating current.

5 True/False questions

  1. electric motortemporary magnet made by passing an electric current through a wire coiled around an iron bar

          

  2. alternating currentElectrical current that flows in only one direction through a wire

          

  3. direct currentElectrical current that flows in only one direction through a wire

          

  4. galvanometera machine that changes mechanical energy into electric power

          

  5. magnetic polesthe lines of force surrounding a permanent magnet or a moving charged particle

          

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