Across
- 1. any material that will permit an electron to move through it
- 4. an electrical source and wires connected to an electrical device
- 7. the process of making an electrical connection between a circuit , electricity-using device, or other electricity source to the earth to reduce the chance of shock and damage
- 10. loss of voltage as electricity travels through a wire
- 12. a measure of energy available or work that can be done using one ampere at one volt
- 15. a standard for the installation of electrical wiring and equipment
- 16. a measure of electrical pressure
Down
- 2. any tendency of a material to prevent electrical flow
- 3. a switch that trips and breaks the circuit when more than a specified amount of current passes through it
- 5. tube individual insulated wires running through it
- 6. a condition that occurs when electricity flows back to its source to rapidly and trips fuses, burns wires, and drains batteries
- 8. form of energy that can produce light, heat , magnetism, and chemical changes
- 9. the use of 1000 watts per hour
- 11. a measure of the resistance of a material to the flow of an electrical current
- 13. a measure of the rate of flow of a current in a conductor
- 14. material that provides great resistance to the flow of electricity
