Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional A figure of directional None of these Highly directional Omnidirectional A figure of directional 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 Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Any of the above Providing insulation on conductor Top loading of antenna Use of larger section of conductor Any of the above Providing insulation on conductor Top loading of antenna 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 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