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5 Written questions

5 Matching questions

  1. circuit breaker
  2. electric current
  3. superconductor
  4. diode
  5. alternating current
  1. a a material that has almost zero resistance when it is cooled to low temperatures
  2. b electric charge that regularly reverses it direction
  3. c is a switch that opens when current for the circuit is too high
  4. d a solid-state component that combines an n-type and p-type semiconductor
  5. e the continuous flow of electricity

5 Multiple choice questions

  1. the rate at which electrical energy is converted to another form of energy
  2. the transfer of excess charge through a conductor to Earth
  3. a solid-state component with three layers of semiconductors
  4. the science of using electric current to process or transmit information
  5. the study of behavior of electric charges including how charges are transferred between objects

5 True/False questions

  1. parallel circuitcharge has only one path through which it can flow in this type of circuit


  2. voltageanother name for potential difference


  3. Ohm's Lawthe relationship which states: the resistance equals the voltage divided by the current


  4. fusethis device prevents current overload in a circuit


  5. semiconductora crystalline solid that conducts current only under certain conditions


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