Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the maximisation of electrostatic flux. dielectric hysteresis. phenomenon of dielectric polarisation. all of above. maximisation of electrostatic flux. dielectric hysteresis. phenomenon of dielectric polarisation. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 20 amp dc. 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 20 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to 1/√σ. √(σ). Frequency. Permeability. 1/√σ. √(σ). Frequency. Permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the above statement is false. the inductor is non linear. the inductor has ferrite core. the inductor is made of thin wire. the above statement is false. the inductor is non linear. the inductor has ferrite core. the inductor is made of thin wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is parabola. straight line. ellipse. hyperbola. parabola. straight line. ellipse. hyperbola. ANSWER DOWNLOAD EXAMIANS APP
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