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. decreases
B. increases
C. remains constant
D. none of the above
A. A storage cell has a reversible chemical reaction
B. A lead-acid cell can be recharged
C. A carbon-zinc cell has unlimited shelf life
D. A primary cell has an irreversible chemical reaction
A. no
B. very little
C. less
D. more
A. thin aluminium wires
B. thin copper wires
C. rigid cables
D. flexible cables
A. nickel hydroxide
B. powdered iron and its oxide
C. 21% solution of KOH
D. all of the above
A. excessive gassing under load conditions
B. excessive drop in the specific gravity of electrolyte even when the cell is on open circuit
C. both A. and (b)
D. none of the above