Electronics and Communication Engineering - Analog Electronics

31. 

Which of the following contributes to harmonics distortion in amplifiers?

A. Positive feedback
B. Presence of noise
C. Defective active device
D. Non-linearity in active device

Answer: Option D

Explanation:

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

32. 

Which of the following couplings may cause unwanted clamping?

A. Resistive
B. Inductive
C. Capacitive
D. Both (a) or (b)

Answer: Option C

Explanation:

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

33. 

The name field effect is related to the __________ layers of a JFET.

A. depletion
B. drain
C. source
D. gate

Answer: Option A

Explanation:

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

34. 

If input frequency is 50 Hz, the frequency of output wave in a half wave diode rectifier circuit is

A. 25 Hz
B. 50 Hz
C. 100 Hz
D. 200 Hz

Answer: Option B

Explanation:

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

35. 

For an amplifier, the coupling method which gives the highest gain in

A. impedance coupling
B. transformer coupling
C. capacitance coupling
D. resistance coupling

Answer: Option B

Explanation:

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