PHYSICS

5. offer practically no resistance to the flow of charges below some critical temperature
9. a subatomic particle located around the nucleus
11. are intermediate between conductors and insulators
14. is the most common used conductor
16. a principle that states that each charge will exert a force on another charge as if no other charges are present
18. the strength of the electric field at a point due to the source charge
19. a force each charged object generates and is influenced by
20. are the extremely small particles that are the basic building blocks of ordinary matter

1. The study of all phenomena associated with electric charges at rest
2. an imaginary surface in space surrounding or enclosing a character or charges
3. a subatomic particle that carries no charge or neutral charge
4. are materials that readily allow the flow of charges through them
6. flux came from the Latin word "_" which means "flow"
7. a subatomic particle with a positive charge
8. materials that resist the flow of charges
10. SI unit for electrical charge
12. the electric field is _ at the neutral point
13. the measure of the ease at which an electric charge moves through a material
15. the force magnitude F is always _
17. The build of electric charge on the surface of an object