Across
- 4. used to turn a circuit on or off
- 6. something that restricts the flow of electrons
- 8. a current that changes 60 times every second
- 10. a unit of voltage or potential
- 12. a material that allows electrons to flow
- 14. the number of times the current changes direction each second
- 15. a unit of power
- 16. is the amount of energy used in a certain amount of time
Down
- 1. a unit of current
- 2. a unit of resistance
- 3. a material that does not allow electrons to flow
- 5. the flow of electrons in the circuit
- 7. the particles that flow in the wires
- 9. a current flow in one direction
- 11. also called potential the work needed to move a electron in a circuit
- 13. for current to flow in a circuit the circuit has to be OPEN or CLOSED