Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Less than No relation Higher than Equal to Less than No relation Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Surface integral of (j.ds) = 0. Divergence of B = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Surface integral of (j.ds) = 0. Divergence of B = 0. Curl of H = J + (δ D)/(δ t). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s first law fourth law third law second law first law fourth law third law second law 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 ground surface. Midway between the conductor and ground. The lower surface of the conductor. The upper surface of the conductor. The ground surface. Midway between the conductor and ground. The lower surface of the conductor. The upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides can handle large power at UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides can handle large power at UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by, V × D V × D² V / D V² / D V × D V × D² V / D V² / D ANSWER DOWNLOAD EXAMIANS APP