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6 Written questions

5 Multiple choice questions

  1. A material that allows electrons to move easily through it.
  2. A closed path through which electrons flow.
  3. A power source that generates electric current by a chemical reaction
  4. The unit of electrical energy
  5. The flow of electrons through a wire or any conductor; measured in a amperes (A) with an ammeter.

5 True/False questions

  1. electrical powerThe rate at which electrical energy is converted to another form of energy; this is expressed in watts (W) or kilowatts (kW).


  2. 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.


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


  4. parallel circuitAn electrical circuit where the current flows through more than one path. If one path is interrupted, current will still flow through the other paths.


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