Multiple choice

Which of the following materials has the highest electrical conductivity?

  1. Diamond

  2. Graphite

  3. Silver

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Silver has the highest electrical conductivity among all metals, including copper and gold. Diamond is an insulator, and while graphite conducts electricity due to delocalized electrons, its conductivity is much lower than silver's.

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