Primary and Secondary Cells NDA Questions

NDA Physics

Primary and Secondary Cells MCQ Questions


13.
Which gas is commonly produced at the anode in primary cells?
A.
Oxygen
B.
Nitrogen
C.
Hydrogen
D.
Carbon dioxide
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ANSWER :
C. Hydrogen
14.
The most common type of primary battery in household use is
A.
Silver oxide battery
B.
Alkaline battery
C.
Lithium-ion battery
D.
Nickel-cadmium battery
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ANSWER :
B. Alkaline battery
15.
Which of the following primary cells is considered environmentally friendly?
A.
Lithium primary cell
B.
Zinc-carbon cell
C.
Nickel-cadmium cell
D.
Lead-acid battery
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ANSWER :
A. Lithium primary cell
16.
Which material is used as the anode in a lithium primary cell?
A.
Zinc
B.
Lithium
C.
Nickel
D.
Graphite
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ANSWER :
B. Lithium
17.
What is the shelf life of a typical alkaline battery?
A.
1-2 years
B.
5-10 years
C.
10-15 years
D.
Over 20 years
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ANSWER :
B. 5-10 years
18.
Primary cells are typically not used in
A.
Flashlights
B.
Electric vehicles
C.
Wall clocks
D.
Toys
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ANSWER :
B. Electric vehicles