Electromagnetic Field Theory A square corner reflector is used in which of the following? Point-to-point communication TV broadcast Radio astronomy All of these Point-to-point communication TV broadcast Radio astronomy All of these 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 ground surface. The upper surface of the conductor. The lower surface of the conductor. Midway between the conductor and ground. The ground surface. The upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Anywhere. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Infinite Very low Zero Very high Infinite Very low Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 40π coulombs. 10π coulombs. 80π coulombs. none of these. 40π coulombs. 10π coulombs. 80π coulombs. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0. 1.77 mm. 1.32 mm. 0.88 mm. 0. 1.77 mm. 1.32 mm. 0.88 mm. ANSWER DOWNLOAD EXAMIANS APP
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