On the average the ampere-hour efficiency of an Edison cell is about__________?

Related Mcqs:

During charging the specific gravity of the electrolyte of a lead-acid battery

A. increases B. decreases C. remains the same D. becomes zero...

The active material of the positive plates of silver-zinc batteries is_________?

A. silver oxide B. lead oxide C. lead D. zinc powder...

The open circuit voltage of any storage cell depends wholly upon___________?

A. its chemical constituents B. on the strength of its electrolyte C. its temperature D. all above...

On overcharging a battery____________?

A. it will bring about chemical change in active materials B. it will increase the capacity of the battery C. it will raise the specific gravity of the electrolyte D. none of the above will occur...

Hydrogen evolved during charging produces explosive mixture when it is more than___________?

A. 2% B. 4% C. 6% D. 8%...