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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 20
41.
In a JFET, gates are always
forward biased
reverse biased
either forward or reverse biased
unbiased
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
By connecting external resistances to a differential amplifier we can adjust
voltage gain
bandwidth
both voltage gain and bandwidth
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
In a CC circuit the current gain is
β
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
A feedback network to be used with an amplifier to provide oscillation is tested and found to give an output of 0.124 V with a 0.5 V input. What must be the minimum gain of the oscillator to provide oscillations?
40
60
100
130
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
For the circuit shown in figure low cut-off frequency is
1.59 Hz
159 Hz
1.59 kHz
1.59 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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