1. Describe an electric field.

2. Describe lightning.

3. The flow of electrons through a conductor is called _____.

4. (a) The unit of current is the _____.

(b) The unit of emf is the _____.

(c) The unit of resistance is the _____.

5. What effect does doubling the diameter of a wire have on the wire’s resistance?

6. In your own words, explain Ohm’s law.

7. Differentiate between a series and a parallel circuit.

8. Differentiate between the equivalent resistance in a series circuit and a parallel circuit.

9. In using an electric instrument, with what range should you start when making a measurement?

10. Explain how a parallel water system compares to a parallel electric circuit.