Electromagnetic Field Theory
A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at

 The ground surface.
 The lower surface of the conductor.
 Midway between the conductor and ground.
 The upper surface of the conductor.

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Electromagnetic Field Theory
In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include

Polarization shifting and code diversity
Amplitude timing and phase correction
Antenna replacement and feed correction
Path diversity and frequency diversity

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