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. – y direction. z direction. – z direction. y direction. – y direction. z direction. – z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 1.5 mA. 2 mA. 1mA. 2.5 mA. 1.5 mA. 2 mA. 1mA. 2.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = J. Curl of B = 0. Divergence of B = 0. Divergence of B = J. Curl of B = J. Curl of B = 0. Divergence of B = 0. Divergence of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s third law first law fourth law second law third law first law fourth law second law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Coercivity. Hysteresis. Saturation magnetism. Retentivity. Coercivity. Hysteresis. Saturation magnetism. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to 1 / N2. N. N2. 1 / N. 1 / N2. N. N2. 1 / N. ANSWER DOWNLOAD EXAMIANS APP