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5 Written questions

5 Matching questions

  1. electrical conductor
  2. circuit breaker
  3. computer
  4. superconductor
  5. static electricity
  1. a is a switch that opens when current for the circuit is too high
  2. b a programmable device that can store and process information
  3. c the study of behavior of electric charges including how charges are transferred between objects
  4. d a material through which electric charge can flow easily
  5. e a material that has almost zero resistance when it is cooled to low temperatures

5 Multiple choice questions

  1. a device that converts chemical energy to electrical energy
  2. a solid-state component with three layers of semiconductors
  3. information that is sent as patterns in the controlled flow of electrons through a circuit
  4. the relationship which states: the resistance equals the voltage divided by the current
  5. the difference in electrical potential between two places in an electric field

5 True/False questions

  1. electric currenta complete path through which charge can flow


  2. fusethis device prevents current overload in a circuit


  3. electric forcethe rate at which electrical energy is converted to another form of energy


  4. groundinga transfer of charge without touching


  5. electric fieldthis is the force of attraction or repulsion between electrically charged objects