Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Very low Very high Infinite Zero Very low Very high Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? 0 either 1 or 2 None of these maximum 0 either 1 or 2 None of these maximum ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Short-circuited stub Balun transformer A half wave line A quarter wave line Short-circuited stub Balun transformer A half wave line A quarter wave line ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to ρv/3 C/m2. aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 40 V. 80 V. 60 V. 8 V. 40 V. 80 V. 60 V. 8 V. 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 Oscillating Retardation Accelerating Lagging the current Oscillating Retardation Accelerating Lagging the current ANSWER DOWNLOAD EXAMIANS APP