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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 14
21.
Negative feedback is used in audio amplifiers to
operate class C
reduce distortion
increase distortion
increase gain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A BJT amplifier has a power gain of 0.5 from source to base. The power gain in dB is
-0.3 dB
-3 dB
-6 dB
-10 dB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
A rectifier circuit has load resistance R. It uses a capacitance filter having capacitance C. For low ripple in the output
RC should be 1
RC should be low
RC should be high
RC should be neither low nor high
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In graphical analysis of BJT amplifier the slope of ac line is more than that of dc load line.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which circuit is called emitter follower?
CC
CE
CB
Both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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