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5 Written questions

5 Matching questions

  1. digital signal
  2. law of conservation of charge
  3. electric power
  4. electrical insulator
  5. resistance
  1. a the total charge in an isolated system is constant
  2. b this signal encodes information as a sting of 1's and 0's
  3. c opposition to the flow of charges in a material
  4. d the rate at which electrical energy is converted to another form of energy
  5. e a material through which electric charge cannot flow easily

5 Multiple choice questions

  1. is a switch that opens when current for the circuit is too high
  2. this device prevents current overload in a circuit
  3. is a smoothly varying signal produced by continuously changing the voltage or current in a circuit
  4. the continuous flow of electricity
  5. the effect an electric charge has on other charges in the space around it

5 True/False questions

  1. computera device that converts chemical energy to electrical energy

          

  2. superconductora crystalline solid that conducts current only under certain conditions

          

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

          

  4. diodethis device prevents current overload in a circuit

          

  5. static electricitythe study of behavior of electric charges including how charges are transferred between objects