MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 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. |
Audio frequency range lies between _________ |
| A. | 2 MHz to 20 MHz |
| B. | 20 Hz to 20 KHz |
| C. | 20 KHz to 200 KHz |
| D. | 20 MHz to 200 MHz |
| Answer» C. 20 KHz to 200 KHz | |
| 2. |
The coupling used in stoneman transmission bridge is ________ |
| A. | Inductive |
| B. | Resistive |
| C. | Capacitive |
| D. | Combination of inductive and capacitive |
| Answer» D. Combination of inductive and capacitive | |
| 3. |
AUDIO_FREQUENCY_RANGE_LIES_BETWEEN__________?$ |
| A. | 2 MHz to 20 MHz |
| B. | 20 Hz to 20 KHz |
| C. | 20 KHz to 200 KHz |
| D. | 20 MHz to 200 MHz |
| Answer» C. 20 KHz to 200 KHz | |
| 4. |
What_is_Carrier_swing?$ |
| A. | Frequency deviation |
| B. | Width of sideband |
| C. | Frequency deviation less than carrier frequency |
| D. | Total variation in frequency |
| Answer» E. | |
| 5. |
AVC stands for _______? |
| A. | Audio Volume Control |
| B. | Audio Voltage Control |
| C. | Automatic Volume Control |
| D. | Automatic Voltage Control |
| Answer» D. Automatic Voltage Control | |
| 6. |
What is the amount of information in continuous signal? |
| A. | zero |
| B. | infinite |
| C. | 2 bits |
| D. | 4 bits |
| Answer» C. 2 bits | |
| 7. |
In ergodic process, ensemble and time averages are identical. |
| A. | False |
| B. | True |
| Answer» C. | |
| 8. |
Which statement is true about ring modulator? |
| A. | it is used for DSB-SC generation |
| B. | it is used for SSB-SC generation |
| C. | it is a summation modulator |
| D. | it is used for AM generation |
| Answer» B. it is used for SSB-SC generation | |
| 9. |
Which statement is true about Square Law modulators? |
| A. | it is used for frequency modulation |
| B. | it is used for pulse width modulation |
| C. | it is used for amplitude modulation |
| D. | it is used for phase modulation |
| Answer» D. it is used for phase modulation | |
| 10. |
The coupling used in stoneman transmission bridge is________ |
| A. | Inductive |
| B. | Resistive |
| C. | Capacitive |
| D. | Combination of inductive and capacitive |
| Answer» D. Combination of inductive and capacitive | |
| 11. |
Neper is ________ decibel. |
| A. | smaller than |
| B. | larger than |
| C. | equal to |
| D. | exactly twice of |
| Answer» C. equal to | |
| 12. |
Super heterodyne receivers needs an extra circuitry for frequency conversion. |
| A. | True |
| B. | False |
| Answer» B. False | |