MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
In a TV receiver antenna the length of reflector rod is _________ |
| A. | same as that of dipole |
| B. | less than that of dipole |
| C. | more than that of dipole |
| D. | is half of that of dipole |
| Answer» D. is half of that of dipole | |
| 2. |
What is the full form of PAM? |
| A. | Pulse Analog Modulation |
| B. | Phase Analog Modulation |
| C. | Pulse Amplitude Modulation |
| D. | Phase Amplitude Modulation |
| Answer» D. Phase Amplitude Modulation | |
| 3. |
WHAT_IS_THE_FULL_FORM_OF_PAM??$ |
| A. | Pulse Analog Modulation |
| B. | Phase Analog Modulation |
| C. | Pulse Amplitude Modulation |
| D. | Phase Amplitude Modulation |
| Answer» D. Phase Amplitude Modulation | |
| 4. |
In_a_TV_receiver_antenna_the_length_of_reflector_rod_is__________$ |
| A. | same as that of dipole |
| B. | less than that of dipole |
| C. | more than that of dipole |
| D. | is half of that of dipole |
| Answer» D. is half of that of dipole | |
| 5. |
The direction of rotation of a CD is clockwise. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
A buffer amplifier is a ________ |
| A. | double tuned amplifier |
| B. | tuned amplifier |
| C. | high gain DC amplifier |
| D. | low gain DC amplifier |
| Answer» D. low gain DC amplifier | |
| 7. |
What is the commercial channel bandwidth in a frequency modulated system? |
| A. | 150 KHz |
| B. | 250 KHz |
| C. | 500 KHz |
| D. | 900 KHz |
| Answer» B. 250 KHz | |
| 8. |
To avoid fading in communication, broad band antenna is used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
For getting maximum undistorted transmitted power in a carrier wave, the value of modulation should be _________ |
| A. | 1 |
| B. | 0.5 |
| C. | 0.2 |
| D. | 0.8 |
| Answer» B. 0.5 | |
| 10. |
How do we eliminate the ghosts in the picture? |
| A. | by using a long transmission line |
| B. | by using a booster |
| C. | by changing the orientation of antenna |
| D. | by twisting the transmission line |
| Answer» D. by twisting the transmission line | |
| 11. |
In pulse code modulation bandwidth required is low. |
| A. | True |
| B. | False |
| Answer» C. | |