Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. cooling. short time rating. overload capacity. rating. cooling. short time rating. overload capacity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux cut. amount of flux linkage. rate of change of flux linkage. flux density of the magnetic field. amount of flux cut. amount of flux linkage. rate of change of flux linkage. flux density of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and surface current only. (A), (B), and (D) are all correct. filament current only. volume current only. surface current only. (A), (B), and (D) are all correct. filament current only. volume current only. 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 In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 4. 1. 2. 8. 4. 1. 2. 8. ANSWER DOWNLOAD EXAMIANS APP