MCQOPTIONS
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MCQOPTIONS
This section includes 8 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_INTERMEDIATE_FREQUENCY_OF_A_SUPERHETERODYNE_RECEIVER_IS_500KHZ._WHAT_IS_THE_IMAGE_FREQUENCY_AT_1200KHZ??$ |
| A. | 600KHz |
| B. | 500KHz |
| C. | 700KHz |
| D. | 200KHz |
| Answer» D. 200KHz | |
| 2. |
Which_of_these_amplifiers_is_used_for_impedance_matching?$ |
| A. | Common Base |
| B. | Common Emitter |
| C. | Common Collector |
| D. | Common Base & Emitter |
| Answer» D. Common Base & Emitter | |
| 3. |
Helical antenna is circularly polarized? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
There is no requirement of IF amplifier stages for a video monitor. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
If the distance between antenna and source doubles, the received signal power decreases by 1‚ÅÑ4.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Compact discs mainly use ________ |
| A. | optical recording |
| B. | magnetic recording |
| C. | magnetic retrieval |
| D. | both optical and magnetic recording |
| Answer» B. magnetic recording | |
| 7. |
Effective radiated power (ERP) is equal to ________ |
| A. | P<sub>t</sub>√óG<sub>t</sub>√óP<sub>d</sub> |
| B. | P<sub>t</sub>√óP<sub>d</sub> |
| C. | G<sub>t</sub>√óP<sub>d</sub> |
| D. | P<sub>t</sub>√óG<sub>t</sub> |
| Answer» E. | |
| 8. |
Envelope Detector is a/an ________ |
| A. | Coherent detector |
| B. | Asynchronous Detector |
| C. | Synchronous Detector |
| D. | Product Demodulator |
| Answer» C. Synchronous Detector | |