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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 19
26.
Which of the following statement is incorrect?
UJT is a 3-terminal diode having two unequally doped regions
A UJT can be triggered by any one of its three terminals
The bi-directional switching characteristics of a diac are symmetrical
As compared to JFETs, MOSFETs generate less noise in high gain amplifiers
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which circuit is called swamped amplifier?
CC
CE
CB
Both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The ripple factor of a power supply is given by
Pdc/Pac
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
In a linear op-amp circuit
the product of gain and bandwidth is constant
input can be dc only
input can be ac only
saturation may occur
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
In a normally biased N-P-N transistor the main current crossing the collector junction is
a drift current
a hole current
a diffusion current
same as the base current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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