Electromagnetic Field Theory
According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when

None of these
The impedance of one of the networks is half that of the other
The impedance of one is equal to that of the other
The impedance of one is the complex conjugate of the other

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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

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

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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 exists between the conductor and the ground. The maximum electric stress occurs at

 the ground surface.
 lower surface of the conductor.
 midway between the conductor and ground.
 upper surface of the conductor.

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