Electronics and Communication Engineering - Analog Electronics

41. 

In figure, current gain is

A. a
B. re
C.
D.

Answer: Option A

Explanation:

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42. 

In the CE circuit shown in figure the slope of dc load line will be

A.
B.
C.
D.

Answer: Option A

Explanation:

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43. 

Which of the following values represents the open loop gain of typical op-amp?

A. 100
B. 10000
C. 100000
D. 1000000

Answer: Option C

Explanation:

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44. 

Which of the following configuration has low thermal stability?

A. CB
B. CC
C. CE
D. All have identical thermal stability

Answer: Option A

Explanation:

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45. 

Efficiency of class A power amplifier is very poor.

A. True
B. False

Answer: Option A

Explanation:

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