WorksheetsBattery
Total questions: 10
Worksheet time: 75secs
The storage battery generally used in electric power station is
Nickel-cadmium battery
Zinc carbon battery
Lead-acid battery
None of the above
Batteries are charged by
Rectifiers
Engine generator sets
Motor generator sets
Any of the above
In a single cell, the two electrodes are separated from each other by——
1mm
1cm
0.5mm
0.5cm
In voltaic cell, anode and cathode of the cell is
copper electrode, zinc
zinc, copper
aluminium, zinc
nickel, cobalt
The emf of the dry cell is about
0 V
0.5 V
1 V
1.5 V
Secondary’s cells are
lead acid cell
alkaline cell
both (a) and (b)
none of these
Which of the following battery is used for aircraft?
Lead acid battery
Nickel-iron battery
Dry cell battery
Silver oxide battery
The electrode for a battery must be
A semi conductor
An insulator
A good conductor of electricity
A bad conductor of electricity
Dry cell is the modification of
Deniell cell
Leclanche cell
Lead acid cell
Edison cell
The efficiency of a lead acid cell varies between
25 to 35%
40 to 60%
70 to 80%
90 to 95%
