Electronics and Communication Engineering - Analog Electronics

36. 

Which of the following parameters of CE circuit has the unit of ohms?

A. hie
B. hre
C. hfe
D. hoe

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

37. 

In the op-amp circuit shown in figure the current through load resistance RL is

A.
B.
C.
D.

Answer: Option A

Explanation:

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38. 

Whenever a JFET operates above pinch-off voltage

A. depletion regions become smaller
B. drain current increase steeply
C. drain current starts decreasing
D. drain current remains nearly constant

Answer: Option D

Explanation:

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39. 

A Weinbridge oscillator is a

A. VHF oscillator
B. RF oscillator
C. microwave oscillator
D. audio frequency oscillator

Answer: Option D

Explanation:

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40. 

RC network shown in the given figure can provide a maximum theoretical phase shift of

A. 90°
B. 180°
C. 270°
D. 360°

Answer: Option B

Explanation:

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