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Carbon,silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?
Options
(a) The number of free electrons for conduction is significant only in Si and Ge but small in C
(b) The number of free conduction electrons is significant in C but small in Si and Ge
(c) The number of free conduction electrons is negligibly small in all the three
(d) The number of free electrons for conduction is significant in all the three.
Correct Answer:
The number of free electrons for conduction is significant only in Si and Ge but small in C
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electronic Devices
(124)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- If a steel wire of length l and magnetic moment M is bent into a semicircular arc,
- Two balls of mass m₁ and m₂ are separated from each other by powder charge
- A comb run through one’s dry hair attracts small bits of paper. This is due to
- Three identical spherical shells, each of mass m and radius r are placed
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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