MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antenna Parameters knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the power radiated by a quarter wave monopole is 100mW, then power radiated by a half wave dipole with doubled current is ______ |
| A. | 800mW |
| B. | 400mW |
| C. | 200mW |
| D. | 100mW |
| Answer» B. 400mW | |
| 2. |
If the power radiated by a half wave dipole is 100mW then power radiated by a quarter wave monopole under same current input is _____ |
| A. | 50mW |
| B. | 200mW |
| C. | 100mW |
| D. | 50W |
| Answer» B. 200mW | |
| 3. |
For the same current, the power radiated by half-wave dipole is four times that of the radiation by quarter wave monopole. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Find the power radiated from the half wave dipole at 2km away with magnetic field at point ( theta= frac{ pi}{2} ) is 10 A/m ? |
| A. | 0.576mW |
| B. | 0.576W |
| C. | 0.756W |
| D. | 0.675W |
| Answer» C. 0.756W | |
| 5. |
In which of the following the power is radiated through a complete spherical surface? |
| A. | Half-wave dipole |
| B. | Quarter-wave Monopole |
| C. | Both Half-wave dipole & Quarter-wave Monopole |
| D. | Neither Half-wave dipole nor Quarter-wave Monopole |
| Answer» B. Quarter-wave Monopole | |
| 6. |
Find the magnetic field if the electric field radiated by the half-wave dipole is 60mV/m? |
| A. | 159 A/m |
| B. | 195 A/m |
| C. | 159mA/m |
| D. | 195mA/m |
| Answer» B. 195 A/m | |
| 7. |
Power radiated by a half wave dipole is how many times the power radiated by a quarter wave monopole under same input current to antennas? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 1 |
| Answer» B. 3 | |
| 8. |
If the power radiated by a quarter-wave monopole is 100mW then power radiated by a half wave dipole under same current input is _____ |
| A. | 100W |
| B. | 100mW |
| C. | 200W |
| D. | 200mW |
| Answer» E. | |
| 9. |
The average radiated power of half-wave dipole is given by ______ |
| A. | (73I_{rms}^2 ) |
| B. | (36.5I_{rms}^2 ) |
| C. | (13.25I_{rms}^2 ) |
| D. | (146I_{rms}^2 ) |
| Answer» B. (36.5I_{rms}^2 ) | |
| 10. |
If the current input to the antenna is 100mA, then find the average power radiated from the half-wave dipole antenna? |
| A. | 365mW |
| B. | 0.356mW |
| C. | 0.365mW |
| D. | 356mW |
| Answer» B. 0.356mW | |