Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div grad V. Div curl A. Curl curl A. Grad div A. Div grad V. Div curl A. Curl curl A. Grad div A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Unity. Depends on strength of current element. Zero. Infinity. Unity. Depends on strength of current element. Zero. Infinity. 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 2.16. Infinity. Zero. 4.32. 2.16. Infinity. Zero. 4.32. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Slotted line Balun Directional Coupler Tee Slotted line Balun Directional Coupler Tee ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 100. 50. 75. 1/75. 100. 50. 75. 1/75. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 900 V. 1800 V. 0 V. 200 V. 900 V. 1800 V. 0 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP