Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 15 W. 25 W. 50 W. 20 W. 15 W. 25 W. 50 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the VHF HF VLF UHF VHF HF VLF UHF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Lagging the current Oscillating Retardation Accelerating Lagging the current Oscillating Retardation Accelerating ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 1/75. 75. 100. 50. 1/75. 75. 100. 50. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is greater than the co-energy. ANSWER DOWNLOAD EXAMIANS APP