MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the possible method used in Quadrature oscillator to remove distortion from the output waveform? |
| A. | Replace the resistor at the input of non-inverting type amplifier with a potentiometer |
| B. | Replace the resistor at the output of non-inverting type amplifier with a potentiometer |
| C. | Replace the resistor at the input of inverting type amplifier with a potentiometer |
| D. | None of the mentioned |
| Answer» B. Replace the resistor at the output of non-inverting type amplifier with a potentiometer | |
| 2. |
If the resistor and capacitor values are same in Quadrature oscillator. Find its frequency of oscillation for R=50k and C=0.01 F. |
| A. | 112Hz |
| B. | 275Hz |
| C. | 159Hz |
| D. | 318Hz |
| Answer» E. | |
| 3. |
Find the signal waveform for Quadrature oscillators? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9a.png"><img alt="Quadrature signal graph with phase shift of 90 degree" class="alignnone size-full wp-image-174131" height="228" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9a.png" width="350"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9b.png"><img alt="Phase difference and phase shift of an AC" class="alignnone size-full wp-image-174132" height="293" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9b.png" width="350"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9c.png"><img alt="Phase shift waveform with 180 degree between sine waveform and cosine waveform" class="alignnone size-full wp-image-174133" height="225" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9c.png" width="350"/></a> |
| D. | All of the mentioned |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9b.png"><img alt="Phase difference and phase shift of an AC" class="alignnone size-full wp-image-174132" height="293" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/linear-integrated-circuits-interview-questions-answers-q9b.png" width="350"/></a> | |
| 4. |
Which of the following component is not used for audio frequency? |
| A. | RC oscillator |
| B. | Wein bridge oscillator |
| C. | LC oscillator |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
Quadrature oscillators have signals with |
| A. | Different frequency |
| B. | Same frequency |
| C. | Opposite frequency |
| D. | Parallel frequency |
| Answer» C. Opposite frequency | |
| 6. |
Calculate the value of capacitance in wein bridge oscillator, such that fo =1755Hz and R=3.3k . |
| A. | 2.7 F |
| B. | 0.91 F |
| C. | 0.03 F |
| D. | 0.05 F |
| Answer» D. 0.05 F | |
| 7. |
What is the problem faced by the wein bridge oscillator? |
| A. | Output sinewave get clipped |
| B. | Output sinewave remain constant without growing |
| C. | Output sinewave keep on decreasing and die out |
| D. | All of the mentioned |
| Answer» B. Output sinewave remain constant without growing | |
| 8. |
Sustained oscillation in wein bridge oscillator is possible when the value of is |
| A. | 3 |
| B. | 1/3 |
| C. | 1 |
| D. | None of the mentioned |
| Answer» C. 1 | |
| 9. |
What is the frequency of oscillation of wein bridge oscillator? |
| A. | f<sub>o</sub> = 1/(2 RC) |
| B. | f<sub>o</sub> = 2 /RC |
| C. | f<sub>o</sub> = RC/2 |
| D. | f<sub>o</sub> = 2 RC |
| Answer» B. f<sub>o</sub> = 2 /RC | |