Electronics and Communication Engineering - Analog Electronics

41. 

In high frequency region, an amplifier behaves like a

A. band pass filter
B. low pass filter
C. high pass filter
D. any of the above

Answer: Option B

Explanation:

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42. 

Class C operation finds application in

A. RF power amplifiers
B. frequency multipliers
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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43. 

In the circuit shown in the figure

A. only red will glow
B. only green will glow
C. both red and green will glow
D. none will glow

Answer: Option A

Explanation:

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44. 

In a CE amplifier circuit the load resistance is open circuited. The output voltage will

A. increase
B. decrease
C. become zero
D. increase or decrease

Answer: Option A

Explanation:

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45. 

Emitter follower is in which of following configuration.

A. common Base
B. common Emitter
C. common collector
D. common Base or common Emitter

Answer: Option C

Explanation:

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