During charging the specific gravity of the electrolyte of a lead-acid battery decreases remains the same none of the listed here increases TRUE ANSWER : ? YOUR ANSWER : ?
As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its compactness lower e.m.f. higher internal resistance small quantity of electrolyte used TRUE ANSWER : ? YOUR ANSWER : ?
In a lead-acid cell, lead is called as None of the listed here passive material positive active material negative active material TRUE ANSWER : ? YOUR ANSWER : ?
During the charging and discharging of a nickel-iron cell water is neither formed nor absorbed corrosive fumes are produced nickel hydroxide remains unsplit its e.m.f. remains constant TRUE ANSWER : ? YOUR ANSWER : ?
A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state. 2.4 2.5 2.0 2.8 TRUE ANSWER : ? YOUR ANSWER : ?
The output voltage of a charger is the same as the battery voltage less than the battery voltage higher than the battery voltage none of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
The lead-acid cell should never be discharged beyond 2.1 V 1.9 V 2 V 1.8 V TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following primary cells has the lowest voltage ? Carbon-zinc Mercury Lithium Zinc-chloride TRUE ANSWER : ? YOUR ANSWER : ?
The current flow through electrolyte is due to the movement of holes None of these ions electrons TRUE ANSWER : ? YOUR ANSWER : ?
Over charging all of the listed here increases the temperature resulting in buckling of plates produces excessive gassing loosens the active material TRUE ANSWER : ? YOUR ANSWER : ?