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5 Written questions

5 Multiple choice questions

  1. the force that causes magnets to pull on objects that are made of certain metals, such as iron
  2. The process by which moving a wire through a magnetic field produces an electric current
  3. a large wheel with blades that rotates and provides mechanical energy to a generator
  4. Electrical current that flows in only one direction through a wire
  5. temporary magnet made by passing an electric current through a wire coiled around an iron bar

5 True/False questions

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

          

  2. generatora machine that changes mechanical energy into electric power

          

  3. transformera machine that changes mechanical energy into electric power

          

  4. galvanometera device used to measure electrical current.

          

  5. commutatorattached to the armature in a motor; changes the direction of the electric current

          

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