Across
- 4. The use of one watt of electricity for one hour
- 7. Material that provides great resistance to the flow of electricity
- 9. Cuts off electricity if even tiny amounts of current leave the normal circuit
- 12. Form of energy that can produce light, heat, MG,chemical change
- 13. Plug or cartridge containing a strip of metal that melts when more than a specified amount of current passes through it
- 14. A condition that occurs when electricity flows back to its source too rapidly and blows fuses
- 16. Measure of electrical pressure
- 18. Unit used to measure a materials resistance to the flow of electrical current
- 19. 1,000
- 20. An electrical source and wires connected to a light, heater, or motor
Down
- 1. Unit of measure for wattage
- 2. Making an electrical connection between a piece of equipment and the earth
- 3. Conductor connected to service panel
- 5. Measure of the rate of flow of electricity in a conductor
- 6. use of 1,000 watts per hour.
- 8. An electrical circuit in which there is at least one place where current cannot flow
- 10. Electricity flows easily through
- 11. Any tendency of a material to prevent electrical flow
- 15. Round cylindrical piece of metal
- 17. Bodies reaction to an electric current