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Electronics and Communication Engineering - Materials and Components

Exercise : Materials and Components - Section 4
36.
The number of tightly bound electrons in silicon atom are
14
10
6
4
Answer: Option
Explanation:

Silicon has 14 electons and 4 valence electrons. The 10 electrons in the inner orbits are tightly bound.

37.
Electric dipole moment is usually expressed in debye units. Here, 1 debye unit equals
3.33 x 10-30 C-m
3.33 x 10-30 C-m2
3.30 x 10-10 C-m
3.33 x 10-10 C-m2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
A particle of charge Q coulombs is bound elastically to an equilibrium position with a force constant of f newton per metre. The polarizability of the system is
Qf
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
1 Bohr magneton = .
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
An electron (charge -e) is rotating in a circular orbit of radius R, around a proton with charge +e at a constant angular velocity ω. The orbital magnetic dipole moment is
0.5 eω R2
eω R2
2 eω R2
0.5 eω R3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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