Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω / π. ω/4π. ω/2π. ω. ω / π. ω/4π. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ex = Ey = 0, Bx = By = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to none of them. magnetic field. both (A) and (B). voltage across the inductor. none of them. magnetic field. both (A) and (B). voltage across the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on magnetic effect. peltier effect. heating effect of current. electrostatic effect. magnetic effect. peltier effect. heating effect of current. electrostatic effect. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Distance of the point from the antenna Wave frequency Current of the antenna Antenna height Distance of the point from the antenna Wave frequency Current of the antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d. Zero. PR/d2. PR 2/d3. PR/d. Zero. PR/d2. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
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