A. Lead-acid
B. Mercury oxide
C. Carbon-zinc
D. Silver-oxide
A. resistance of electrolyte
B. electrode resistance
C. surface contact resistance between electrode and electrolyte
D. all above
A. in well ventilated location
B. in clean and dry place
C. as near as practical to the battery being charged
D. in location having all above features
A. decreases
B. increases
C. remains constant
D. none of the above
A. 0.8
B. 0.95
C. 1.1
D. 1.21
A. they have same e.m.f.
B. they have same make
C. they have same ampere-hour capacity
D. they have identical internal resistance
A. 1.8 V
B. 1.9 V
C. 2 V
D. 2.1 V