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