Electricity Vocabulary

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Across
  1. 1. special device that prevents excessive current from passing thru a circuit
  2. 4. pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop
  3. 5. measurement of how much electricity is being used in one second
  4. 6. any substance that easily transmits electricity
  5. 10. Positive electrode
  6. 11. an automatic device for stopping the flow of current in an electric circuit as a safety measure
  7. 12. Unit that measures the amount of an electrical current
  8. 13. Constant, even flowing current that travels in one direction
  9. 14. substance that does not transmit electricity
Down
  1. 2. a conductor through which electricity enters or leaves an object
  2. 3. rapid and interrupted current
  3. 7. Apparatus that changes direct current to alternating current
  4. 8. Negative Electrode
  5. 9. Form of energy, when in motion exhibits magnetic, chemical or thermal effects
  6. 15. unit used to measure the electrical resistance of a material or an electrical device