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