A. charged state
B. discharged state
C. both (A) and (B)
D. active state
A. copper
B. lead
C. iron
D. silver oxide
A. manometer
B. a mechanical gauge
C. hydrometer
D. psychrometer
A. less than
B. more than
C. equal to
D. none of the above
A. NaOH
B. KOH
C. HC1
D. HN03
A. five years
B. seven years
C. eight years
D. ten years
A. 40%
B. 60%
C. 70%
D. 80%
A. 1.4 V
B. 1 V
C. 0.9 V
D. 0.8 V
A. two
B. three
C. four
D. five
A. rate of discharge
B. temperature
C. density of electrolyte
D. quantity of active materials
E. all above