Across
- 2. Law, expresses the relationship between voltage, current and resistance; V=IR
- 4. the unit of resistance
- 7. type of current proposed by Tesla
- 9. a device with a specific resistance; used to control the current in a circuit
- 10. any device that converts electrical energy into another form of energy
- 12. type of current proposed by Thomas Edison
- 15. used to measure the electric current in any branch or part of a circuit
- 16. flow, the flow of negative charge from high potential to low potential
- 17. a closed loop or pathway that allows electrical charges to flow
- 20. the difference in electrical charge between two points in a circuit
- 21. a device made up of several galvanic cells connected together that converts chemical energy to electrical energy
- 22. the unit for electrical charge
- 23. unit for power
Down
- 1. a material through which charges do not move easily
- 3. the rate at which electrical energy is consumed
- 5. diagram drawing of a circuit
- 6. a piece of metal that melts when too much current flows and breaks the circuit
- 7. unit for current; equal to one coulomb per second
- 8. a material through which charge moves easily
- 11. hour, an energy unit used by electric companies to measure energy sale; 1 kWh is equal to 1000 W, delivered continuously for 3600 seconds
- 13. current, a flow of positive charges that move from high potential to low potential
- 14. circuit, a low resistance circuit that forms causing a large current that could easily start a fire.
- 17. the flow of electrical charges
- 18. a property that determines how much current will flow
- 19. the unit for electrical potential difference