

MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
1. |
The electric field of the component increases in ground wave when it tilts more at the surface. |
A. | True |
B. | False |
Answer» C. | |
2. |
How the ground wave losses vary with high frequencies? |
A. | Increases |
B. | Decreases |
C. | Does not depend on frequency |
D. | Increase or decrease |
Answer» B. Decreases | |
3. |
Which of the following propagates by gliding over the surface of earth? |
A. | Surface wave |
B. | Tropospheric wave |
C. | Ionospheric wave |
D. | Stratospheric waves |
Answer» B. Tropospheric wave | |
4. |
Ground wave field strength is given by E= _________ |
A. | AE<sub>o</sub>/d |
B. | A(E<sub>o</sub>)<sup>2</sup>/d |
C. | dE<sub>o</sub> |
D. | AE<sub>o</sub>/d<sup>2</sup> |
Answer» B. A(E<sub>o</sub>)<sup>2</sup>/d | |
5. |
Which of the following is particularly used for VLF? |
A. | Surface wave |
B. | Tropospheric wave |
C. | Ionospheric wave |
D. | Stratospheric waves |
Answer» B. Tropospheric wave | |
6. |
The ground wave propagation uses horizontal polarized antennas |
A. | True |
B. | False |
Answer» C. | |
7. |
Ground wave propagation is also known as _________ |
A. | Surface wave |
B. | Tropospheric wave |
C. | Ionospheric wave |
D. | Stratospheric waves |
Answer» B. Tropospheric wave | |
8. |
The broadcast signals received at low frequencies during day-time are due to _________ |
A. | Ground wave |
B. | Space wave |
C. | Sky wave |
D. | Tropospheric waves |
Answer» B. Space wave | |
9. |
Ground wave propagation is used for signals up to frequency __________ |
A. | 2MHz |
B. | 2GHz |
C. | 30MHz |
D. | 30GHz |
Answer» B. 2GHz | |
10. |
Ground wave is always __________ polarized. |
A. | Vertically |
B. | Horizontally |
C. | Either vertical or horizontal |
D. | Neither horizontal nor vertical |
Answer» B. Horizontally | |