Electricity & Magnetism

2. Opposite poles of a magnet will ______.
5. The north and south ends of a magnet.
8. The repulsive or attractive interaction between any two charged bodies.
10. A familiar electric phenomenon in which charged particles are transferred from one body to another.
12. A representation of the electric potential energy per unit charge.
13. The flow of electric charge in a circuit.
14. Something that can be used to complete or break a circuit connection.
15. An instrument for measuring a small electrical current or a function of the current by deflection of a moving coil.
17. The region around a magnetic material or a moving electric charge within which the force of magnetism acts.

1. An electrical device that transfers electrical energy from one circuit to another through the process of electromagnetic induction.
3. The difficulty of the flow of charge through an electric circuit.
4. Materials that permit electric charges to flow freely from particle to particle.
6. The closed path through which the electrical charge can flow.
7. A type of electromagnet formed by a helical coil of wire whose length is substantially greater than its diameter.
8. A region around a charged particle or object within which a force would be exerted on other charged particles or objects.
9. An electrical machine that converts electrical energy into mechanical energy.
11. A metal core made into a magnet by a current flowing through wire coiled around it.
16. Like poles of a magnet will _______.
18. An electric machine that transforms a mechanical form of energy into electrical energy.