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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 14
16.
Which one of the following power amplifier has the maximum efficiency?
Class A
Class B
Class AB
Class C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Figure shows small signal model of CB amplifier circuit. Then I and R are respectively equal to
a ie and re
a ie and re (a - 1)
(a - 1) ie and re
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The common emitter short circuit current gain β of a transistor
is a monotonically increasing function of the collector current Ic
is a monotonically decreasing function of Ic
increasing with Ic, for low Ic, reaches a maximum and then decreases with further increase in Ic
is not a function of Ic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A complementary symmetry amplifier has
1 P-N-P and 1 N-P-N transistor
2 P-N-P transistor
2 N-P-N transistor
2 P-channel FETs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The units of are
V
V-1
J
J/K
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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