Question:
Which of the following is an insulator?
Which of the following is an insulator?
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Diamond is a strong insulator due to its structure and lack of free electrons.
Updated On: Jan 15, 2026
- Graphite
- Aluminium
- Diamond
- Silicon
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The Correct Option is C
Solution and Explanation
Diamond is a non-metal and an excellent electrical insulator because it does not have free electrons for conduction. Graphite, on the other hand, is a good conductor.
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