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6 Written questions

5 Multiple choice questions

  1. The flow of electrons through a wire or any conductor; measured in a amperes (A) with an ammeter.
  2. The difference in electric potential energy between two different points; measured in volts (V).
  3. The force exerted by a machine to overcome resistance to gravity or friction
  4. A closed path through which electrons flow.
  5. A power source that generates electric current by a chemical reaction

5 True/False questions

  1. electroscopeA device containing two suspended metal leaves in a jar that move apart when charged; used to detect the presence of electric charges.


  2. insulatorA material that allows electrons to move easily through it.


  3. electric fieldAn area surrounding an electron that exerts a force on anything nearby with an electric charge; is strongest nearest the electron and weakens with a distance.


  4. kilowatt-hourThe unit of electrical energy


  5. static electricityThe net buildup of electric charges on an object.


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