Electronics and Communication Engineering - Analog Electronics

31.
In figure the potential of gate terminal is
4 V
-4 V
0
20 V
Answer: Option
Explanation:
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32.
The gate-source voltage that reduces the drain current to approximately zero is called
gate-source on voltage
gate-source voltage
pinch-off voltage
gate-source cut-off voltage
Answer: Option
Explanation:
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33.
In a half wave voltage doubler circuit the input frequency is 50 Hz. The ripple frequency is
25 Hz
50 Hz
100 Hz
150 Hz
Answer: Option
Explanation:
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34.
Class A amplifiers are preferred when
minimum distortion is required
maximum voltage gain is required
output signal is desired in phase with input signal
signal having A.C. superimposed on D.C. are to be amplified
Answer: Option
Explanation:
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35.
In figure the source resistance of current source IEE is infinite, then common mode gain is
infinite
zero
indeterminate
Answer: Option
Explanation:
No answer description is available. Let's discuss.