Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the all of above. maximisation of electrostatic flux. phenomenon of dielectric polarisation. dielectric hysteresis. all of above. maximisation of electrostatic flux. phenomenon of dielectric polarisation. dielectric hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is straight line. parabola. hyperbola. ellipse. straight line. parabola. hyperbola. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 40π C. 10 C. None of above. 5 C. 40π C. 10 C. None of above. 5 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db 3 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Along the axis of the magnetic field. Anywhere. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Along the axis of the magnetic field. Anywhere. ANSWER DOWNLOAD EXAMIANS APP
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