Across
- 2. one of two points, such as the ends of a magnet, that have opposing magnetic qualities
- 4. a region where a magnetic force can be detected
- 9. a machine that converts mechanical energy into electrical energy
- 10. a device that increases or decreases the voltage of alternating current
- 12. the process of creating a current in a circuit by changing a magnetic field
- 13. an electric current that changes direction at regular intervals (abbreviation, AC)
Down
- 1. a coil of wire with an electric current in it
- 3. a device that converts electrical energy into mechanical energy
- 5. measures current
- 6. a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
- 7. an instrument that detects, measures, and determines the direction of a small electric current
- 8. groups of atoms that all line up the same way and form small, magnetized regions within a material
- 11. measures voltage