In the context of electric vehicle batteries, consider the following elements: I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above usually make up battery cathodes?
AOnly one
BOnly two
COnly three
DAll the four
Answer & Solution
Correct answer: C. Only three
UPSC CSE Prelims 2025 (GS-I, Set A), Q.43. Official answer key: C.
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