A. increase the efficiency
B. increase the current capacity
C. increase the voltage output
D. increase the internal resistance
Related Mcqs:
- 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 - When two batteries are connected in parallel, it should be ensured that___________?
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 - 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 - If a battery is wrongly connected on charge following will happen__________?
A. current delivered by the battery will be high
B. current drawing will be nil
C. current drawing will be very small
D. current drawing will be very high - Which of the following primary cells has the lowest voltage_________ ?
A. Lithium
B. Zinc-chloride
C. Mercury
D. Carbon-zinc - 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 - Which of the following primary cells has the highest voltage___________ ?
A. Manganese-alkaline
B. Carbon-zinc
C. Lithium
D. Mercury - Electrolyte used in an Edison cell is___________?
A. NaOH
B. KOH
C. HC1
D. HN03
