Across
- 5. materials with a high resistivity; prevents electric current from flowing
- 7. Formed with a copper coil around an iron core
- 9. device used to control the flow of electricity in a circuit
- 10. positive charge particles
- 11. rate of transfer of electrical energy within a circuit
- 12. unit of electrical potential difference
- 14. complete circular path that electricity flows through
Down
- 1. Type of electrical current in which the direction of the flow of electron switches back and forth at regular intervals or cycles
- 2. Material that allows electricity to flow through it
- 3. An electric current that is uni-directional
- 4. When a light bulb is on, this circuit is ___.
- 6. Restriction of electron flow
- 8. measure of the rate of electron flow or current in an electrical conductor
- 13. Unit of electrical resistance