MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
What is Carrier swing? |
| A. | Frequency deviation |
| B. | Width of sideband |
| C. | Instantaneous frequency |
| D. | Total variation in frequency |
| Answer» E. | |
| 2. |
What is the role of Amplitude limiter in the FM receiver? |
| A. | Filteration |
| B. | Adjust the gain of receiver |
| C. | Amplify a weaker signal |
| D. | Demodulate a signal |
| Answer» E. | |
| 3. |
AVC stands for ________ |
| A. | Abrupt Voltage Control |
| B. | Audio Voltage Control |
| C. | Automatic Volume Control |
| D. | Automatic Voltage Control |
| Answer» D. Automatic Voltage Control | |
| 4. |
What is the maximum transmission efficiency? |
| A. | 67.88% |
| B. | 33.33% |
| C. | 73% |
| D. | 54.03% |
| Answer» C. 73% | |
| 5. |
What is the role of the transmitter in the communication system? |
| A. | to decode a signal to be transmitted |
| B. | to convert one form of energy into other |
| C. | to detect and amplify information signal from the carrier |
| D. | to produce radio waves to transmit data |
| Answer» E. | |
| 6. |
Square Law modulators are ________ |
| A. | used for frequency modulation |
| B. | used for pulse width modulation |
| C. | used for amplitude modulation |
| D. | used for phase modulation |
| Answer» D. used for phase modulation | |
| 7. |
In TV transmission, sound signal is ________ modulated. |
| A. | Phase |
| B. | Pulse |
| C. | Frequency |
| D. | Amplitude |
| Answer» D. Amplitude | |
| 8. |
WHAT_IS_THE_ROLE_OF_AMPLITUDE_LIMITER_IN_FM_RECEIVER??$ |
| A. | Filteration |
| B. | Adjust the gain of receiver |
| C. | Amplify a weaker signal |
| D. | Demodulate a signal |
| Answer» E. | |
| 9. |
What is Carrier swing?$ |
| A. | Frequency deviation |
| B. | Width of sideband |
| C. | Instantaneous frequency |
| D. | Total variation in frequency |
| Answer» E. | |
| 10. |
What is the role of transmitter in communication system? |
| A. | to decode a signal to be transmitted |
| B. | to convert one form of energy into other |
| C. | to detect and amplify information signal from the carrier |
| D. | to produce radio waves to transmit data |
| Answer» E. | |
| 11. |
Ring Modulator is ________ |
| A. | used for DSB-SC generation |
| B. | used for SSB-SC generation |
| C. | used for VSB generation |
| D. | used for AM generation |
| Answer» B. used for SSB-SC generation | |
| 12. |
Square Law modulators are? |
| A. | used for frequency modulation |
| B. | used for pulse width modulation |
| C. | used for amplitude modulation |
| D. | used for phase modulation |
| Answer» D. used for phase modulation | |
| 13. |
In TV transmission, picture signal is ________ modulated. |
| A. | DSB-SC |
| B. | VSB |
| C. | SSB-SC |
| D. | Pulse |
| Answer» C. SSB-SC | |
| 14. |
Modulation is done in ________ |
| A. | Receiver |
| B. | Transducer |
| C. | Between transmitter and radio receiver |
| D. | Transmitter |
| Answer» E. | |