MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
________ microphones works on piezoelectric effect. |
| A. | Crystal |
| B. | Carbon |
| C. | Moving coil |
| D. | Condenser |
| Answer» B. Carbon | |
| 2. |
The voltage and electric current of a line are respectively 5kV and 1000 A. Find its power? |
| A. | 12W |
| B. | 13W |
| C. | 5W |
| D. | 10W |
| Answer» D. 10W | |
| 3. |
If the modulating frequency of a carrier wave varies between 700Hz and 7KHz, find it s bandwidth? |
| A. | 10 KHz |
| B. | 23 KHz |
| C. | 17.3 KHz |
| D. | 12.6 KHz |
| Answer» E. | |