On the average the ampere-hour efficiency of an Edison cell is about__________?
On the average the ampere-hour efficiency of an Edison cell is about__________?
A. 40%
B. 60%
C. 70%
D. 80%
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The capacity of a lead-acid cell does not depend on its___________?
The capacity of a lead-acid cell does not depend on its___________?A. temperature
B. rate of charge
C. rate of discharge
D. quantity of active materialAs compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its__________?
As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its__________?A. compactness
B. lower e.m.f.
C. small quantity of electrolyte used
D. higher internal resistanceThe average charging voltage for alkali cell is about__________?
The average charging voltage for alkali cell is about__________?A. 1 V
B. 1.2 V
C. 1.7 V
D. 2.1 VDuring the idle period of the battery, strong electrolyte tends to change the active material of the cell into____________?
During the idle period of the battery, strong electrolyte tends to change the active material of the cell into____________?A. Pb02
B. PbSC-4
C. PbO
D. PbCells are connected in series in order to_____________?
Cells are connected in series in order to_____________?A. increase the voltage rating
B. increase the current rating
C. increase the life of the cells
D. none of the aboveThe capacity of a battery is expressed in terms of____________?
The capacity of a battery is expressed in terms of____________?A. current rating
B. voltage rating
C. ampere-hour rating
D. none of the above