MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be oscillator frequency, if phase shift network of 3stages of RC phase shift oscillator contains a capacitor of 7nF and a resistance of 10K in each stage? |
| A. | 928 Hz |
| B. | 1KHz |
| C. | 1.2KHz |
| D. | 895Hz |
| Answer» B. 1KHz | |
| 2. |
The feedback factor for RC phase shift oscillator is ___________ |
| A. | 1/18 |
| B. | 1/29 |
| C. | 1/11 |
| D. | 1/33 |
| Answer» C. 1/11 | |
| 3. |
Which of the following is not true for an RC phase shift oscillator? |
| A. | Not Bulky |
| B. | Less costly |
| C. | Effective for oscillation less than 10KHz |
| D. | Pure sine wave output is possible |
| Answer» E. | |
| 4. |
Distortion level in the output of RC phase shift network will be less than ___________ |
| A. | 1% |
| B. | 2% |
| C. | 5% |
| D. | 10% |
| Answer» D. 10% | |
| 5. |
Frequency of oscillation for three section RC phase shift network is given by ___________ |
| A. | 1/( 6 RC) |
| B. | 2/( 6 RC) |
| C. | 1/(2 6 RC) |
| D. | 1/(2 6 RC) |
| Answer» D. 1/(2 6 RC) | |
| 6. |
Phase shift provided by one phase shift network in RC phase shift network in 4-stage will be ___________ |
| A. | 180 degrees |
| B. | 45 degrees |
| C. | 60 degrees |
| D. | 90 degrees |
| Answer» C. 60 degrees | |
| 7. |
Amplifier gain for RC phase shift oscillation, to obey Barkhausen s criteria should be minimum of ___________ |
| A. | 43 |
| B. | 4 |
| C. | 10 |
| D. | 29 |
| Answer» E. | |
| 8. |
Which of the following is not a reason for beginning oscillations in RC phase shift oscillator? |
| A. | Phase shift network |
| B. | Noise inherent in transistor |
| C. | Minor variations in the voltage DC source |
| D. | Square wave signal |
| Answer» B. Noise inherent in transistor | |
| 9. |
The phase shift network will produce a phase shift of 180 degrees at ___________ |
| A. | Three different frequencies |
| B. | One frequency |
| C. | Two different frequencies |
| D. | Infinitely many frequencies |
| Answer» C. Two different frequencies | |
| 10. |
Total phase shift provided by all phase shift networks in RC phase shift oscillator is ___________ |
| A. | 180 degrees |
| B. | 60 degrees |
| C. | 120 degrees |
| D. | 360 degrees |
| Answer» B. 60 degrees | |
| 11. |
Phase shift provided by one phase shift network in RC phase shift oscillator in 3 stage is ___________ |
| A. | 180 degrees |
| B. | 60 degrees |
| C. | 120 degrees |
| D. | 90 degrees |
| Answer» C. 120 degrees | |
| 12. |
One phase shift network of an RC phase contain __________ resistor. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» B. 2 | |
| 13. |
One phase shift network of an RC phase contain _________ inductor. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» E. | |
| 14. |
One phase shift network of an RC phase shift oscillator contain __________ capacitor. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» B. 2 | |
| 15. |
RC phase shift oscillators contain a minimum of _________ Phase shift network. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» D. 0 | |