MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 the typical bandwidth of a 2-wire telephone line? |
| A. | 20 Hz to 6 KHz |
| B. | 300 Hz to 3.4 KHz |
| C. | 20 Hz to 20 KHz |
| D. | 200 Hz to 6.5 KHz |
| Answer» C. 20 Hz to 20 KHz | |
| 2. |
A helical antenna is used for satellite tracking due to its __________ |
| A. | broad bandwidth |
| B. | circular polarization |
| C. | linear polarization |
| D. | good front to back ratio |
| Answer» E. | |
| 3. |
VSB is generally used in ________ |
| A. | television production |
| B. | radio transmission |
| C. | telephonic conversations |
| D. | long distance conversations |
| Answer» B. radio transmission | |
| 4. |
Minimum viewing angle of resolution of human eye is ________ |
| A. | \(\frac{ʎ}{d}\) |
| B. | \(\frac{1.22ʎ}{d}\) |
| C. | \(\frac{3ʎ}{d}\) |
| D. | \(\frac{2ʎ}{d}\) |
| Answer» C. \(\frac{3ʎ}{d}\) | |
| 5. |
A_HELICAL_ANTENNA_IS_USED_FOR_SATELLITE_TRACKING_DUE_TO_ITS___________?$ |
| A. | broad bandwidth |
| B. | circular polarization |
| C. | linear polarization |
| D. | good front to back ratio |
| Answer» E. | |
| 6. |
What_is_the_typical_bandwidth_of_a_2-wire_telephone_line?$ |
| A. | 20 Hz to 6 KHz |
| B. | 300 Hz to 3.4 KHz |
| C. | 20 Hz to 20 KHz |
| D. | 200 Hz to 6.5 KHz |
| Answer» C. 20 Hz to 20 KHz | |
| 7. |
VSB is generally used in _______? |
| A. | television production |
| B. | radio transmission |
| C. | telephonic conversations |
| D. | long distance conversations |
| Answer» B. radio transmission | |
| 8. |
Power density spectrum of a resistor R can be expressed as ________ |
| A. | 2 kTR |
| B. | 1 kTR |
| C. | 0.75 kTR |
| D. | 3 kTR |
| Answer» B. 1 kTR | |
| 9. |
Local programmes in a cable TV can be telecast at any frequency. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
White noise is a synonym of ________ |
| A. | partition noise |
| B. | shot noise |
| C. | johnson noise |
| D. | transit time noise |
| Answer» D. transit time noise | |
| 11. |
A trigonometric function is a synonym of ________ |
| A. | triangular function |
| B. | orthogonal function |
| C. | singular function |
| D. | rectangular function |
| Answer» B. orthogonal function | |
| 12. |
In a Vidicon camera tube, both sides of the target plate have the coating of antimony tri-sulphide. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
A Marconi antenna has length equal to ________ |
| A. | <sup> é</sup>‚ÅÑ<sub>4</sub> |
| B. | <sup> é</sup>‚ÅÑ<sub>2</sub> |
| C. | 1 |
| D. | <sup> é</sup>‚ÅÑ<sub>8</sub> |
| Answer» B. <sup>¬¨‚Ć‚àö¬©</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>2</sub> | |