Across
- 8. an electromotive force or difference expressed
- 11. control system for an operation or process
- 13. electric current that reverses its direction
- 14. an object by something in contact with it.
Down
- 1. electric current flowing in one direction only.
- 2. automatic control system in which an operation
- 3. negatively charged subatomic particle
- 4. equivalent to one joule per second
- 5. whole current flows through each other
- 6. resistance to the electric current.
- 7. the resistance that one surface or object encounters when moving over another.
- 9. the base unit of electrical current.
- 10. unit of electrical potential and electromotive force.
- 12. two/more paths the electricity to flow