Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave A standing wave which is not progressing A stronger incident wave None of these A stronger reflected wave A standing wave which is not progressing A stronger incident wave None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the rate of change of flux linkage. amount of flux cut. flux density of the magnetic field. amount of flux linkage. rate of change of flux linkage. amount of flux cut. flux density of the magnetic field. amount of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. J = σE. V = IR. R = ρ × ( l / A). J = E / σ. J = σE. V = IR. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is zero. double the field produced by one plate. dependent on coordinates of field points. same as that produced by one plate. zero. double the field produced by one plate. dependent on coordinates of field points. same as that produced by one plate. 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 The attenuation in waveguide above to cut off frequency Infinite Zero Very low Very high Infinite Zero Very low Very high ANSWER DOWNLOAD EXAMIANS APP