Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very low Very high Zero Infinite Very low Very high Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Unity Constant Both A and B None of these Unity Constant Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on peltier effect. magnetic effect. heating effect of current. electrostatic effect. peltier effect. magnetic effect. heating effect of current. electrostatic effect. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation y direction. z direction. – y direction. – z direction. y direction. z direction. – y direction. – z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. both (A) and (B). voltage across the inductor. none of them. magnetic field. both (A) and (B). voltage across the inductor. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy V/m. ANSWER DOWNLOAD EXAMIANS APP