Across
- 2. a device that uses an electromagnet to detect small amounts of current.
- 4. any material that attracts iron and materials that contain iron.
- 5. force a force produced when magnetic poles interact.
- 9. a magnet created by wrapping a coil of wire material that is easily magnetized.
- 10. a device that transforms electrical energy to mechanical energy.
- 12. the process of generating an electrical current from the motion of a conductor through a magnetic field.
- 13. The region around a magnet where the magnetic force is exerted.
- 15. current consisting of charges that move back and forth in a circuit.
- 17. a coil of wire with a current
- 18. a device with a magnetized needle that can spin freely
Down
- 1. the angle between geographic North and the North to which a compass needle points.
- 3. the relationship between electricity and magnetism
- 6. the ends of a magnetic object,where the magnetic force is strongest.
- 7. Current consisting of charges that flow in only one direction in a circuit.
- 8. lines that map out the magnetic field around a magnet.
- 11. a device that transforms mechanical energy to into electrical energy.
- 14. the force of attraction or repulsion of magnetic materials.
- 16. a device that increases or decreases voltage,which item consists of two separate coils of insulated wire wrapped around an iron core.