Electrical Theory

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Across
  1. 7. carries current away from appliance and back to source
  2. 9. measure of electrical pressure
  3. 10. measure of the rate of flow
  4. 13. source of electricity connected to a light, heater, or motor
  5. 14. tendency of a material to prevent electrical flow
  6. 15. electricity flow changes direction with armature(turning magnet)change
  7. 16. unit used to measure a material’s resistance
  8. 17. current cannot flow through
Down
  1. 1. tubing that contains individual insulated wires
  2. 2. an additional connection between equipment and the earth
  3. 3. electricity flows in one direction
  4. 4. measure of the amount of energy or work that can be done by amps and volts (volts x amps)
  5. 5. form of energy that can produce light, heat, magnetism, and chemical changes
  6. 6. flow of electricity through a conductor is directly proportional to the electrical force that produces it (R = E/I)
  7. 8. carries current to appliance
  8. 11. occurs when resistance is not high enough for flow of electricity; flows through circuit and back to source too quickly
  9. 12. material that provides great resistance to electricity flow
  10. 13. a material that electricity flows freely through