Carbon,silicon and germanium have four valence electrons each. At room temperature

⇦

⇨

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.

Related Questions:

1. Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
2. A particle is executing the motion x=Acos (ωt-θ). The maximum velocity of the particle is
3. Copper of fixed volume V is drawn into wire of length l. When this wire is subjected
4. Two nuclei have their mass numbers into the ratio of 1:3
5. A flywheel rotating about a fixed axis has a kinetic energy of 360 J when

Topics: Electronic Devices (124)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends