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