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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 9
21.
Overall efficiency of class B amplifier is
72%
75%
78.5%
70%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
For a transistor to have-a larger β it must have and a
close to zero
close to 0.5
close to unity
nearly infinite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
JFET is also known as
linear device
square law device
inverse law device
logarithmic law device
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Drain feedback bias is often used with
D MOSFETs
E MOSFETs
both D and E MOSFETs
neither D nor E MOSFETs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
CMRR of a difference amplifier is equal to
(Av')/(Acom)
Av/Acom
Acom/Av'
(Av)/(Acom)2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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