MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
DVD uses a laser beam for recording and video head for playback. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
For telegraphy pulse code modulation (PCM) is widely used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Leak type bias is used in plate modulated amplifier to prevent tuned circuit damping. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Skip distance depends on the time of day and angle of incidence. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
FOR_TELEGRAPHY_PULSE_CODE_MODULATION_(PCM)_IS_WIDELY_USED.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
DVD uses laser beam for recording and video head for playback.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Leak type bias is used in plate modulated amplifier to prevent tuned circuit damping? |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
In case of FM, if the modulating frequency is lowered and the modulating voltage remains constant then the amplitude of distant sidebands decreases. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Schmitt trigger is used to generate PDM. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
FM transmitting and receiving equipment is __________ as compared to AM equipment. |
| A. | costly |
| B. | cheaper |
| C. | same price |
| D. | not available |
| Answer» B. cheaper | |
| 11. |
FM and PM are two ways of angle modulation. |
| A. | True |
| B. | False |
| Answer» B. False | |