The active materials of a nickel-iron battery are___________?

Related Mcqs:

The watt-hour efficiency of a lead-acid cell varies between________?

A. 25 to 35% B. 40 to 60% C. 70 to 80% D. 90 to 95%...

Lead-acid cell has a life of nearly charges and discharges______________?

A. 500 B. 700 C. 1000 D. 1250...

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...

Shelf life of a small dry cell is___________?

A. equal to that of large dry cell B. less than that of large dry cell C. more than that of large dry cell D. none of the above...

For a cell to work, which of the following condition(s) become necessary ___________?

A. Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other B. Electrolyte must chemically react with one of the electrodes C. Electrolyte liquid or paste should be conducting D. All above three conditions are necessary...