Electronics and Communication Engineering - Analog Electronics
Exercise :: Analog Electronics - Section 20
| 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. |
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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