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JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES
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Medium
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Understanding
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Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is more appropriate?
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Correct option: D
The number of free electrons for conduction is significant only in Si and Ge but small in C
Option D is correct. At room temperature, silicon and germanium have a significant number of free electrons for conduction, while carbon has very few due to its stronger covalent bonds.
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