Across
- 3. A measure of power equal to one joule of work per second.
- 6. the current in a circuit equals the voltage difference divided by the resistance; V=IR
- 7. a magnet made from a material that easily loses its magnetism
- 9. a magnet made from a material that keeps its magnetism for a long time
- 11. potential difference, the difference in electrical potential energy between two places in an electric field; measured in volts
- 13. The force of attraction or repulsion of magnetic materials
- 15. the continuous flow of a charge, or electrons, in a complete circuit
- 16. A device that converts chemical energy to electrical energy
- 17. a standard for measuring the thickness of a wire, where a lower gauge number indicates a thicker wire
- 18. the opposition to the flow of electric charge
- 20. The transfer of charge without contact between materials
- 22. A solenoid with a ferromagnetic core
- 24. unit used to measure electric current
Down
- 1. A process by which an insulator or an insulated conductor receives a net charge.
- 2. An electric circuit with two or more paths through which charge can flow
- 4. A device that increases or decreases the voltage of alternating current (AC) circuits
- 5. a device that converts mechanical energy into electrical energy
- 8. a region that has a large number of atoms with aligned magnetic fields
- 10. the transfer of excess charge through a conductor to Earth
- 12. the study of the behavior of electric charges, including how charge is transferred between objects
- 14. An electric circuit with only one path through which charge can flow
- 19. a coil of current-carrying wire that produces a magnetic field
- 21. An electrical device that resists the flow of electrical current
- 23. The ends of a magnetic object, where the magnetic force is strongest.