Electricity and Magnetism

2. A measure of the amount of electrical potential energy on an electron flowing in a circuit can gain
4. A device used to increase or decrease the voltage of an alternating current
7. A device that transforms electrical energy into kinetic energy
8. (Two Words) Rate at which electrical energy is converted into other forms of energy, measured in watts (W)
12. (Two Words) Electric current that changes it direction rapidly
14. Magnet created by wrapping a current carrying wire around an iron core
15. (Two Words)Electric current that flows only in one direction
16. Material that does not allow electrons to move easily through
17. Atom that is positively or negatively charged because i has gained or lost electrons
18. Closed conducting loop in which electric current can flow continually
20. (Two Words) A group of atoms who's fields point tin the same direction
22. Light display that occurs when charged articles trapped in the magnetosphere collide with Earth's atmosphere above the poles
23. (Two Words)Only one pathway for electricity to travel through
24. Device that uses a magnetic field to turn kinetic energy into electrical energy

1. The measure of how difficult it is for electrons to flow in a material unit is Ohms
3. Two Words) Imbalance of electric charge on an object
5. (Two Words) States that the current in a circuit equals the voltage divided by the resistance
6. Material that allows electrons to move easily through
8. (Two Words) Rapid movement of excess charge from one place to another
9. (Two Words) Attractive or repulsive force exerted by all charged objects on each other
10. (Two Words) Surrounds a magnet and exerts a magnetic force on other magnets
11. (Two Words) More that one pathway for electricity to travel through
13. (Two Words)Flow of charge through a conductor measured in amps(A)
19. Region of space affected by Earth's magnetic field
21. (Two Words) Surrounds every electric charge and exerts forces on each other