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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 14
11.
Polarization is a measure of
dielectric constant per unit volume
voltage gradient to produce electrical breakdown
product of charge and distance
excess charge density
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Thin gate oxide in a CMOS process in preferably grown using
wet oxidation
dry oxidation
epitaxial deposition
ion implantation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which of the following devices is a 'hot-electron' diode?
Thermionic tube diode
Schottky-Barrier diode
Thomson-Deletion diode
Thermal electron diode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
If D, G and η denote the directly, power gain and efficiency of an antenna, then which of the following relation holds :
DGη = 1
η = DG
D = ηG
D = G/η
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
A system described by the transfer function is stable. The constraints on a and K are
a > 0, ak < 3
a > 0, ak > 3
a < 0, ak > 3
a < 0, ak < 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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