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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?

/ 2025, UPSC / By
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UPSC Prelims 2025 Question:

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? 

  • A. Only one
  • B. Only two
  • C. Only three
  • D. All the four
Correct Answer: Option C

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