H1/M3 Vocab Review (Trade Terms)

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Across
  1. 1. unit of measurement for voltage
  2. 6. a test instrument capable of reading voltage, current and resistance
  3. 7. a test instrument used to measure current flow
  4. 9. electrical current that changes direction on a cyclical basis
  5. 14. basic unit of measurement for electrical current
  6. 16. an ammeter with operable jaws that are placed around a conductor
  7. 17. basic unit of measurement for electrical resistance
  8. 18. an unintentional electrical connection between an energized conductor and another conductor
  9. 19. simplified schematic diagram in which the load lines are arranged like the rungs of a ladder
  10. 21. a magnetically operated device consisting of a coil and one or more sets of conductors
  11. 22. material through which it is relatively easy to maintain electrical current
  12. 23. a continuous current path
  13. 26. fuses with a built in time delay to accommodate the inrush current of inductive loads
  14. 27. a protective device that opens the motor controlled circuit
  15. 29. able to become electrically charged from being near another electrically charged body
  16. 31. the bypassing of a load by a conductor causing a very high current flow
  17. 33. two or more coils of wire wrapped around a common core
  18. 34. a meter that provides a direct numerical reading of the value measured
Down
  1. 2. an electromagnetic coil used to control a mechanical device such as a valve or relay contacts
  2. 3. a current reading meter that is connected in series within the circuit
  3. 4. a device the converts AC voltage to DC voltage
  4. 5. the rate of doing work
  5. 8. a coil of wire wrapped around a soft iron core. When current flows through the coil magnetism is created.
  6. 10. that rate or volume at which electrons flow in a circuit
  7. 11. magnetic switching devices used to control heavy duty motors
  8. 12. unit of measure for power consumed by a load
  9. 13. a visible flash of light & the release of heat that occurs when an electrical current crosses an air gap
  10. 14. meter that uses a needle to indicate a value on a scale
  11. 15. that convert electrical energy into another form of energy
  12. 20. an electric current that flows in one direction
  13. 23. control devices consisting of a coil and one or more sets of contacts used as switching devices in high voltage circuits
  14. 24. significant rise in electrical current associated with energizing inductive loads
  15. 25. a protective device connected in series with the supply voltage
  16. 28. a device or substance that inhibits the flow of current
  17. 30. driving force that make current flow in a circuit
  18. 32. a semiconductor device that changes resistance with a change in temperature