Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation y direction. z direction. – y direction. – z direction. y direction. z direction. – y direction. – z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. low permeability. high permeability. both a and b. low hysteresis loss. low permeability. high permeability. both a and b. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A quardra pole. A monopole. A dipole. Both of A and B. A quardra pole. A monopole. A dipole. Both of A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Electron density of the ionospheric layer Height of ionospheric layer Received frequency by receiver 11 year sun spot cycle Electron density of the ionospheric layer Height of ionospheric layer Received frequency by receiver 11 year sun spot cycle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Vertical grounded wire type Parabolic reflector type Horizontal suspended wire type Any of the above Vertical grounded wire type Parabolic reflector type Horizontal suspended wire type Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as None of these Front to back ratio Loss coefficient Transmission efficiency None of these Front to back ratio Loss coefficient Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
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