Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator None Phase shifter An isolator An attenuator None Phase shifter An isolator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger wavelength than in the free space Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Larger frequency than in the free space Diminishing wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Balun transformer Short-circuited stub A quarter wave line A half wave line Balun transformer Short-circuited stub A quarter wave line A half wave line ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
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