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5 Written questions

5 Multiple choice questions

  1. a machine that changes mechanical energy into electric power
  2. a device used to measure electrical current.
  3. temporary magnet made by passing an electric current through a wire coiled around an iron bar
  4. A device that can increase or decrease the voltage of an alternating current.
  5. current in which electrons constantly change direction at a regular rate

5 True/False questions

  1. magnetic fieldtwo ends of a magnet where the magnetic forces are strongest

          

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

          

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

          

  4. magnetic domainstwo ends of a magnet where the magnetic forces are strongest

          

  5. magnetic polestwo ends of a magnet where the magnetic forces are strongest

          

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