Electricity and Magnetism

3. the action of one surface or object rubbing against another.
6. an electric current that reverses its direction at regular intervals.
7. a stable subatomic particle occurring in all atomic nuclei.
8. a subatomic particle of about the same mass as a proton but without an electric charge.
11. refers to the transfer of heat energy through the movement of particles that are in contact.
13. is electric potential energy per unit charge measured in J/coulomb.
14. states that like charges repel and opposite charges attract.
17. defined as the electric force per unit charge.
19. path that has a combination of series and paralleled paths for electricity to flow.
20. unification of 2 objects.
24. device for moving and breaking the connection in an electric circuit.
26. a basic property of electrons, protons and other subatomic particles.
27. a solid substance that has a conductivity between that of an insulator and of most metals.
28. substance that does not really conduct electricity.

1. an attractive or repulsive force between 2 charged objects.
2. electrical component that limits or regulates the flow of electrical current.
4. closed circuit in which current follows 1 path.
5. constant flow of electric charge.
9. branch of physics that deals with the electromagnetic force that occurs between electrically charged particles.
10. refers to the physical phenomena arising from the force caused by magnets.
12. is a path in which electrons from a voltage or current source flow.
15. a stable subatomic particle with a charge of negative electricity.
16. established standard orientation of the vectors.
18. a circuit divided into 2 or more paths of electric current.
21. the production of an electric or magnetic state by the proximity of an electrified body.
22. region at each end of a magnet where the external magnetic field is strongest.
23. the basic unit of a chemical element.
25. is a flow of electrical charge carriers, usually electrons.