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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Four point masses, each of value m, are placed at the corners of a square ABCD
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- Dimensions formula for surface tension is
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- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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