Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Absorption Scattering Dispersion Polarisation Absorption Scattering Dispersion Polarisation ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 4. 2. 8. 1. 4. 2. 8. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 25 V. 50 V. 75 V. 100 V. 25 V. 50 V. 75 V. 100 V. 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. y direction. – z direction. z direction. – y direction. y direction. – z direction. z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 1.26 V. 2.52 V. 1.31 V. 2.62 V. 1.26 V. 2.52 V. 1.31 V. 2.62 V. ANSWER DOWNLOAD EXAMIANS APP
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