Electricity

2. that pushes charged electrons (current)
3. the thing that allows electricity to go in a
4. a force between two surfaces that are sliding, or trying to slide
7. type of resistor whose resistance is strongly dependent on temperature
9. is a flow of electrical charge carrier.
11. the pressure from an electrical circuit's power
13. unit of power
15. the amount of energy transferred or converted per unit time
17. derived unit of energy
18. A photo resistor is a passive component that decreases resistance with respect to receiving luminosity
19. ranged in or extending along a straight or nearly straight line.
20. a device or piece of equipment designed to perform a specific task
21. Luminous intensity, the quantity of visible light that is emitted in unit time per unit solid angle

1. passive two-terminal electrical component that implements electrical resistance as a circuit element.
5. a conducting loop
6. measures the current in a circuit
8. subatomic particles that orbit the nucleus of an atom.
10. electrical safety device that operates to
12. 'alternating current' which means the current constantly changes direction. Mains electricity
14. overcurrent protection of an electrical
16. can cause electrical wiring and devices to heat up and are a potential electrical fire in the making.
19. a device for giving light
21. A light-emitting diode