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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 17
1.
Negative feedback in amplifier
reduces gain
increases frequency and phase distortion
reduces bandwidth
increases noise
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following is the fastest switching device?
JFET
BJT
MOSFET
Triode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Which of the following is not valid in case of bipolars?
It has a low input impedance
It has high voltage gain
It is a current controlled device
It is difficult to bias
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The input resistance of JFET ideally approaches
zero
1 ohm
100 ohm
infinity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
In the analysis of common emitter amplifier we may neglect
hre
hoe
hfe
hie
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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