A. its voltage increases
B. it gives out energy
C. its cathode becomes dark chocolate brown in colour
D. specific gravity of H2SO4 decreases
A. Flat discharge current-voltage curve
B. High power to weight ratio
C. Comparatively longer shelf life under adverse conditions of high temperature and humidity
D. All of the above
A. dark grey
B. brown
C. dark brown
D. none of above
A. corrosive fumes are produced
B. water is neither formed nor absorbed
C. nickel hydroxide remains unsplit
D. its e.m.f. remains constant
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
A. breakdown of one or more separators
B. excess accumulation of sediment at the bottom of the cell
C. both (A) and (B)
D. none of the above
A. increase the efficiency
B. increase the current capacity
C. increase the voltage output
D. increase the internal resistance