electricity vocab

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Across
  1. 2. Current a type of electrical current, in which the direction of the flow of electrons switches back and forth at regular intervals or cycles.
  2. 4. join or connect (a rope or ropes) by interweaving the strands.
  3. 7. a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage.
  4. 10. the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere.
  5. 11. the SI base unit of electrical current.
  6. 12. current electrical current which flows consistently in one direction.
Down
  1. 1. used to hold conductors in position, separating them from one another and from surrounding structures.
  2. 3. a measure of 1,000 watts of electrical power.
  3. 5. path for transmitting electric current
  4. 6. an electromotive force or potential difference expressed in volts.
  5. 8. a safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level
  6. 9. a device for making and breaking the connection in an electric circuit.