vocab crossword

4. short for ampere.
5. stable, negatively charged elementary subatomic particle found orbiting the nucleus of an atom in shells
8. substance which does not readily allow the passage of heat or sound.
9. the SI unit of electromotive force, defined as the potential difference between two points on a conducting wire carrying a current of one ampere
12. physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
14. electrical circuit that is not complete.
15. the buildup of an unbalanced electrical charge on the surface of a material, typically caused by contact and separation (friction) between different materials
16. a roughly circular line, route, or movement that starts and finishes at the same place.
17. complete, uninterrupted electrical path that allows electric current to flow continuously from a power source through components and back to the source
18. occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder

1. an electric current that periodically reverses direction and changes its magnitude continuously with time
2. material that allows electricity or heat to flow through it easily, characterized by low electrical resistance and freely moving electrons
3. electrical configuration with multiple, branched paths for current to flow, where all components are connected across the same two nodes
5. form of energy resulting from the existence of charged particle
6. the unidirectional, consistent flow of electric charge in a single direction
7. belonging to the present time; happening or being used or done now.
10. SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt.
11. refusal to accept or comply with something; the attempt to prevent something by action or argument
13. an electrical circuit where components are connected end-to-end, forming a single path for current to flow, meaning the same current passes through every component