Electricity

2. Battery, photocell
4. One way to charge an object - touching an electricity ball.
7. A measure of the electrical potential energy per unit charge.
9. Used to open or close a circuit.
10. The opposition of the flow of electric charges.
14. The charges always flow in the same direction.
15. A circulation in which loads are located on separate branches.
17. Abbreviations for amperes
18. Unit for voltage.
20. A device that uses electric energy to do work.
21. A circuit in which all the parts are connected in a single loop.
23. The amount of charge that passes a location in the wire every second.
25. Charges repeatedly shift from flowing in one direction to flowing in the opposite direction.

1. Allows electricity to flow.
3. Unit for resistance.
5. This type of current is used in batteries for flashlights.
6. Unit used to measure electric current.
8. A complete closed path through which electric charges flow.
11. Current that is used in outlets in homes.
12. Connect parts of a circuit together.
13. The amount of work required to move each unit of charge between two parts.
16. Slows down the flow of electricity (plastic).
19. One way to charge an object - rubbing two objects together.
22. One way to charge an object by bringing a charged object closer to an uncharged object.
24. The energy of electric charges.