MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
The end-to-end length of a half wave dipole antenna is actually ________ |
| A. | slightly shorter than a half wavelength |
| B. | slightly longer than a half wavelength |
| C. | half lambda wavelength |
| D. | lambda wavelength |
| Answer» B. slightly longer than a half wavelength | |
| 2. |
AM waves is represented by Et cos c t. What does Et denotes? |
| A. | amplitude of modulated wave |
| B. | amplitude of carrier signal |
| C. | amplitude of modulating signal |
| D. | amplitude of message signal |
| Answer» B. amplitude of carrier signal | |
| 3. |
An antenna s beamwidth is measured ________ |
| A. | from +90 to -90 |
| B. | between half power points |
| C. | between the minor side lobes |
| D. | between the major side lobes |
| Answer» C. between the minor side lobes | |
| 4. |
Ground Effects in antenna effects ________ |
| A. | antenna s radiation |
| B. | antenna s gain |
| C. | antenna s SWR |
| D. | antenna s power |
| Answer» B. antenna s gain | |
| 5. |
A non-resonant antenna will ________ |
| A. | not transmit |
| B. | not receive |
| C. | cause SWR on the feed cable |
| D. | transmit and receive the signal at the same time |
| Answer» D. transmit and receive the signal at the same time | |