Electromagnetic Field Theory The radiation pattern of a parabola antenna is Highly directional Omnidirectional None of these A figure of directional Highly directional Omnidirectional None of these A figure of directional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Less than Equal to No relation Higher than Less than Equal to No relation Higher than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type Any of the above Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is equal to that of the other The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other None of these The impedance of one is equal to that of the other The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other None of these ANSWER DOWNLOAD EXAMIANS APP
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