1. How does the current change in a circuit if the resistance increases by a factor of 2?

2. How does the current change in a circuit if the voltage is increased by a factor of 2?

3. How would the resistance of a wire change if the length were to be increased by a factor of 2?

4. Explain the concept of electric potential.

5. Explain the transfer of energy that occurs in a circuit that includes a dry cell and two lamps in series.

6. Distinguish between a primary and a secondary cell.

7. Explain recharging.

8. Describe the function of an electrolyte.

9. In your own words, describe the manner in which a secondary cell produces electric energy.

10. What is the effect of the internal resistance of a cell?