1. Explain the difference between a primary and a secondary cell. 2. Describe two methods of testing the state of charge of a secondary cell. What figures would you expect? 3. How does an alkaline...

1. Explain the difference between a primary and a secondary cell. 2. Describe two methods of testing the state of charge of a secondary cell. What figures would you expect? 3. How does an alkaline cell differ from a lead–acid cell? What effect does discharging an alkaline cell have on the SG of its electrolyte?