A. Lithium
B. Zinc-chloride
C. Mercury
D. Carbon-zinc
Related Mcqs:
- Which of the following primary cells has the highest voltage___________ ?
A. Manganese-alkaline
B. Carbon-zinc
C. Lithium
D. Mercury - 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 above - Five 2 V cells are connected in parallel. The output voltage is__________?
A. 1 V
B. 1.5 V
C. 1.75 V
D. 2 V - Sulphated cells are indicated by____________?
A. the loss of capacity of the cell
B. the decrease of the specific gravity
C. the low voltage of the cell on discharge
D. all above conditions - Capacity of dry cells is_________?
A. more when it is supplying current for intermittent periods
B. more when it is supplying current for continuous periods
C. unaffected by the type of discharge
D. none of the above - A battery of 6 cells will show a drop of _______ volts from fully charged state to fully discharged state
A. 1.0
B. 1.5
C. 2.4
D. 2.9 - Cells are connected in parallel to__________?
A. increase the efficiency
B. increase the current capacity
C. increase the voltage output
D. increase the internal resistance - It is noticed that during discharging the following does not happen___________?
A. both anode and cathode become PbS04
B. specific gravity of H2SO4 decreases
C. voltage of the cell decreases
D. the cell absorbs energy - For a cell to work, which of the following condition(s) become necessary ___________?
A. Two electrodes of different meta’s should be inserted in the electrolyte, not touching each other
B. Electrolyte must chemically react with one of the electrodes
C. Electrolyte liquid or paste should be conducting
D. All above three conditions are necessary - Which of the following cell has a. reversible chemical reaction ___________?
A. Lead-acid
B. Mercury oxide
C. Carbon-zinc
D. Silver-oxide
