Introductory Vocab

3. attractive and repulsive forces between objects.
6. short for ampere.
8. current can flow when a voltage is applied
9. at some point so that current will not flow
10. a definite direction
11. set of physical phenomena associated with the presence and motion of matter
12. accompanied by a bright flash and typically also thunder.
14. especially when regarded in terms of its capacity to do this
15. not readily allow the passage of heat or sound.
17. the current divides and only part of it flows through any branch
18. movement that starts and finishes at the same place.
19. which periodically reverses direction and changes its magnitude continuously

1. a current of one ampere when subjected to a potential difference of one volt.
2. the whole current flows through each componentthe current divides and only part of it flows through any branch
4. produced by friction, which causes sparks or crackling
5. potential that would drive one ampere of current against one ohm resistance.
7. found in all atoms and acting as the primary carrier of electricity in solids.
13. electric current flowing in one direction only.
16. the attempt to prevent something by action or argument.