Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = J. Divergence of B = 0. Curl of B = 0. Divergence of B = J. Curl of B = J. Divergence of B = 0. Curl of B = 0. Divergence of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is 4.32. Infinity. 2.16. Zero. 4.32. Infinity. 2.16. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is dependent on coordinates of field points. double the field produced by one plate. zero. same as that produced by one plate. dependent on coordinates of field points. double the field produced by one plate. zero. same as that produced by one plate. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Unity None of these Constant Both A and B Unity None of these Constant Both A and B ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) QD. QR. Q√(R2 + d2). QR2/d. QD. QR. Q√(R2 + d2). QR2/d. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 3 to 30 kHz 30000 to 300000 MHz 3000 to 30000 MHz 300 to 3000 kHz 3 to 30 kHz 30000 to 300000 MHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP