1. Indicate the charge carried by the following atomic particles:
a. Proton: _?_
b. Neutron: _?_
c. Electron: _?_

2. An electric field travels away from a charge and toward a _?_ charge.

3. T or F? Like poles of a magnet attract each other, and unlike poles repel each other.

4. What is a magnetic domain?

5. An electric current can perform work as long as there is a battery to produce current, some device to operate, and everything is connected in a complete _?_.
6. What is the formula for Ohm's Law? What units are used to express current? What units are used to express potential difference?​