Electronics and Communication Engineering - Analog Electronics

1. 

Which op-amp circuit uses a resistance in series with input and capacitor in feedback path?

A. Differentiating amplifier
B. Integrating amplifier
C. Logarithmic amplifier
D. Exponential amplifier

Answer: Option B

Explanation:

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2. 

Saturation of iron core causes distortion.

A. True
B. False

Answer: Option A

Explanation:

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3. 

Which of the following is non-sinusoidal oscillator?

A. Multivibrator
B. Relaxation oscillator using UJT
C. Relaxation oscillator using tunnel diode
D. Any of the above

Answer: Option A

Explanation:

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4. 

Low gain-bandwidth product of a JFET is due to

A. reduced number of holes
B. junction capacitive effects
C. low degree of isolation between input and output
D. all of the above

Answer: Option B

Explanation:

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5. 

The circuit of the figure is an example of feedback of the following type

A. current series
B. current shunt
C. voltage series
D. voltage shunt

Answer: Option D

Explanation:

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