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

Related Mcqs:

The best indication about the state of charge on a lead-acid battery is given by____________?

A. output voltage B. temperature of electrolyte C. specific gravity of electrolyte D. none of the above...

Trickle charging of a storage battery helps to___________?

A. maintain proper electrolyte level B. increase its reserve capacity C. prevent sulphation D. keep it fresh and fully charged...

Excessive formation of lead sulphate on the surface of the plates happens because of___________?

A. allowing a battery to stand in discharged condition for a long time B. topping up with electrolyte C. persistent undercharging D. low level of electrolyte E. all above...

In constant-current charging method, the supply voltage from discharged to fully charged condition____________?

A. decreases B. increases C. remains constant D. none of the above...

Dry cell is modification of____________?

A. Deniell cell B. Leclanche cell C. Lead-acid cell D. Edison cell...