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Semiconductors

JEE Main level, single correct, medium

24 of 209

Question 24 of 209

Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?

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Answer: (D) The number of free electrons for conduction is significant only in $\mathrm{Si}$ and $\mathrm{Ge}$ but small in $\mathrm{C}$ .

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JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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More Physics practice

JEE Main Physics practice question on Semiconductors (Semiconductors), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.