unit 3 vocabulary
Across
- 3. a material or an object that conducts heat, electricity , and light
- 4. law deals with the relationship between voltage and current in an ideal conductor
- 5. a thing or substance used for insulation
- 6. current an electric current that flows in one direction
- 8. a stable subatomic particle with a charge of negative electricity
- 10. the opposition that a substance offers to the flow of electric current
- 11. a unit of electric current equal to a flow of one coulomb per second
- 13. the basic unit of a chemical unit
- 14. an electromotive force or potential difference expressed in volts
Down
- 1. a subatomic particle of about the same mass as a proton
- 2. current an electric current that reverses its direction
- 7. a flow of electric charge
- 9. is the SI derived unit of electrical resistance
- 12. a subatomic particle with a positive charge\