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. |
On which factor dominant mode of a waveguide depends? |
| A. | shape |
| B. | power |
| C. | direction |
| D. | bandwidth |
| Answer» B. power | |
| 2. |
Which polarization is possible for an electromagnetic wave? |
| A. | vertical |
| B. | circular |
| C. | horizontal |
| D. | can be vertical or horizontal or circular |
| Answer» E. | |
| 3. |
The electric and magnetic field of a radio wave are perpendicular to each other. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
WHICH_POLARIZATION_IS_POSSIBLE_FOR_AN_ELECTROMAGNETIC_WAVE??$ |
| A. | vertical |
| B. | circular |
| C. | horizontal |
| D. | can be vertical or horizontal or circular |
| Answer» E. | |
| 5. |
On_which_factor_dominant_mode_of_a_waveguide_depends?$ |
| A. | shape |
| B. | power |
| C. | direction |
| D. | bandwidth |
| Answer» B. power | |
| 6. |
The electric and magnetic field of a radio wave are perpendicular to each other? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The effect of frequency on the resistance of a wire is called ________ |
| A. | skin effect |
| B. | I2R loss |
| C. | ohmic effect |
| D. | threshold effect |
| Answer» B. I2R loss | |
| 8. |
When we use TDMA instead of TDM? |
| A. | when signals come from different sources |
| B. | when all the signals come from same source |
| C. | when all the signals contain the same information |
| D. | when all the signals contain different information |
| Answer» B. when all the signals come from same source | |
| 9. |
Which modulation is used in high frequency radio-teletype systems? |
| A. | QAM |
| B. | ASK |
| C. | PSK |
| D. | FSK |
| Answer» E. | |
| 10. |
What is used for setting up a virtual circuit? |
| A. | frame |
| B. | network |
| C. | link |
| D. | hub |
| Answer» C. link | |
| 11. |
Packet switching is based on ________ |
| A. | switched circuits |
| B. | un-switched circuits |
| C. | store-and-forward |
| D. | real time delivery |
| Answer» D. real time delivery | |
| 12. |
MAU stands for __________ |
| A. | Multiple Access Unit |
| B. | Multi-station Access Unit |
| C. | Multiple Auxiliary Unit |
| D. | Multi-station Auxiliary Unit |
| Answer» C. Multiple Auxiliary Unit | |
| 13. |
For Amplitude Modulation, Emitter modulator ________ |
| A. | Has high efficiency |
| B. | Has a low efficiency |
| C. | Operates in class C mode |
| D. | Operates in class B mode |
| Answer» C. Operates in class C mode | |