Chapter 2 Crossword

2. A compass is a device that shows the cardinal directions used for navigation and geographic orientation.
5. a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
6. a type of magnet in which the magneticfield is produced by an electric current.
8. A magnetic field is a vector field that describes the magnetic influence on moving electric charges,
10. an electrical machine that converts electrical energy into mechanical energy.
11. a device that converts motive power into electrical power for use in an external circuit.
14. an electromechanical measuring instrument for electric current
15. an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
16. the production of an electromotive force across an electrical conductor in a changing magnetic field.
17. Direct current is one-directional flow of electric charge.

1. each of the points near the extremities of the axis of rotation of the earth or another celestial body where a magnetic needle dips vertically.
3. material or object that produces a magnetic field.
4. a visual tool used to represent magnetic fields
7. a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits
9. measured directly by reference to the celestial poles
12. a cylindrical coil of wire acting as a magnet when carrying electric current.
13. attraction or repulsion that arises between electrically charged particles because of their motion