Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Constitutive parameters. Loss tangent. Reflector coefficient. Attenuation constant. Constitutive parameters. Loss tangent. Reflector coefficient. Attenuation constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Co-energy is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Narrow bandwidth Poor directivity Low directional coupling High standing wave ratio Narrow bandwidth Poor directivity Low directional coupling High standing wave ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at The lower surface of the conductor. Midway between the conductor and ground. The upper surface of the conductor. The ground surface. The lower surface of the conductor. Midway between the conductor and ground. The upper surface of the conductor. The ground surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t) (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(ux) A/m. ANSWER DOWNLOAD EXAMIANS APP