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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
1. |
An Em wave is said to be vertically polarized when the angle between the electrical field and earth is _______ |
A. | 50 |
B. | 20 |
C. | 90 |
D. | 180 |
Answer» D. 180 | |
2. |
The Far field is also known as ______________ |
A. | Fresnel zone |
B. | Fraunhofer zone |
C. | Maxwell zone |
D. | Marconi zone |
Answer» C. Maxwell zone | |
3. |
At what distance from the antenna does the far field start? |
A. | 2 wavelengths |
B. | 5 wavelengths |
C. | 10 wavelengths |
D. | 25 wavelengths |
Answer» D. 25 wavelengths | |
4. |
The fields in the Fresnel zone are radio waves that contain the information transmitted. |
A. | True |
B. | False |
Answer» C. | |