Power Sources » Exercise - 15. The capacity of a lead-acid cell does NOT depend on its : (a) rate of charge (b) rate of discharge (c) temperature (d) quantity of active material
5555555555 12. A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is ________. (a) 8.57% (b) 42.85% (c) 4.28% (d) 85.7%
Power Sources » Exercise - 110. As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its : (a) lower e.m.f. (b) smaller quantity of electrolyte used (c) higher internal resistance (d) compactness