MCQOPTIONS
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MCQOPTIONS
This section includes 19 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. |
The output of oscillator will not depend upon ___________ |
| A. | Feedback |
| B. | Amplifier |
| C. | Both feedback and amplifier |
| D. | Input voltage |
| Answer» E. | |
| 2. |
In an oscillator if phase of feedback is same as that of oscillation waveform then feedback is called ___________ |
| A. | Positive feedback |
| B. | Negative feedback |
| C. | Cannot be predicted |
| D. | Either positive or negative depending upon frequency |
| Answer» B. Negative feedback | |
| 3. |
The output waveform of a stable oscillator have ___________ |
| A. | Constant frequency at low amplitude only |
| B. | Constant frequency at high amplitude only |
| C. | Variable frequency |
| D. | Constant frequency |
| Answer» E. | |
| 4. |
The output of a stable oscillator have ___________ |
| A. | Constant amplitude |
| B. | Varying amplitude |
| C. | Constant amplitude at high frequencies only |
| D. | Constant amplitude at low frequencies only |
| Answer» B. Varying amplitude | |
| 5. |
The AC power of output signal is obtained by ___________ |
| A. | Input AC voltage |
| B. | Input DC voltage |
| C. | DC biasing voltage |
| D. | Power is generated by transistor itself |
| Answer» D. Power is generated by transistor itself | |
| 6. |
Primary trigger for oscillation is obtained from ___________ |
| A. | DC voltage |
| B. | Noise voltage |
| C. | External trigger voltage |
| D. | No trigger is required |
| Answer» C. External trigger voltage | |
| 7. |
For accomplishing negative resistance in oscillator we use _____________ |
| A. | Voltage divider circuit |
| B. | Negative feedback |
| C. | Positive feedback |
| D. | Current divider circuit |
| Answer» D. Current divider circuit | |
| 8. |
Negative resistance are incorporated in oscillator for ___________ |
| A. | Sustained oscillation |
| B. | Damped oscillation |
| C. | Biasing the oscillator |
| D. | Increasing amplitude of oscillation |
| Answer» B. Damped oscillation | |
| 9. |
Oscillator __________ an AC input for giving an AC output. |
| A. | Doesn’t need |
| B. | Need |
| C. | Doesn’t need at lower frequencies |
| D. | Doesn’t need at higher frequencies |
| Answer» B. Need | |
| 10. |
IN_AN_OSCILLATOR_IF_PHASE_OF_FEEDBACK_IS_SAME_AS_THAT_OF_OSCILLATION_WAVEFORM_THEN_FEEDBACK_IS_CALLED?$ |
| A. | Positive feedback |
| B. | Negative feedback |
| C. | Cannot be predicted |
| D. | Either positive or negative depending upon frequency |
| Answer» B. Negative feedback | |
| 11. |
The_output_of_oscillator_will_not_depend_upon$ |
| A. | Feedback |
| B. | Amplifier |
| C. | Both feedback and amplifier |
| D. | Input voltage |
| Answer» E. | |
| 12. |
The output waveform of a stable oscillator hav? |
| A. | Constant frequency at low amplitude only |
| B. | Constant frequency at high amplitude only |
| C. | Variable frequency |
| D. | Constant frequency |
| Answer» E. | |
| 13. |
The output of a stable oscillator have |
| A. | Constant amplitude |
| B. | Varying amplitude |
| C. | Constant amplitude at high frequencies only |
| D. | Constant amplitude at low frequencies only |
| Answer» B. Varying amplitude | |
| 14. |
The AC power of output signal is obtained by |
| A. | Input AC voltage |
| B. | Input DC voltage |
| C. | DC biasing voltage |
| D. | Power is generated by transistor itself |
| Answer» D. Power is generated by transistor itself | |
| 15. |
Primary trigger for oscillation is obtained from |
| A. | DC voltage |
| B. | Noise voltage |
| C. | External trigger voltage |
| D. | No trigger is required |
| Answer» C. External trigger voltage | |
| 16. |
For accomplishing negative resistance in oscillator we use |
| A. | Voltage divider circuit |
| B. | Negative feedback |
| C. | Positive feedback |
| D. | Current divider circuit |
| Answer» D. Current divider circuit | |
| 17. |
Negative resistance are incorporated in oscillator for |
| A. | Sustained oscillation |
| B. | Damped oscillation |
| C. | Biasing the oscillator |
| D. | Increasing amplitude of oscillation |
| Answer» B. Damped oscillation | |
| 18. |
Oscillator __________ an AC input for giving an AC output |
| A. | Doesn’t need |
| B. | Need |
| C. | Doesn’t need at lower frequencies |
| D. | Doesn’t need at higher frequencies |
| Answer» B. Need | |
| 19. |
Oscillators are used to ______ AC voltage. |
| A. | Prevent |
| B. | Generate |
| C. | Amplify |
| D. | Rectify |
| Answer» C. Amplify | |