Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 20. 10. 5. 50. 20. 10. 5. 50. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Parabolic reflector type Horizontal suspended wire type Vertical grounded wire type Any of the above Parabolic reflector type Horizontal suspended wire type Vertical grounded wire type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Scattering Polarisation Absorption Dispersion Scattering Polarisation Absorption Dispersion ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Reflector coefficient. Constitutive parameters. Loss tangent. Attenuation constant. Reflector coefficient. Constitutive parameters. Loss tangent. Attenuation constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A monopole. A quardra pole. Both of A and B. A dipole. A monopole. A quardra pole. Both of A and B. A dipole. 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 2.52 V. 1.26 V. 2.62 V. 1.31 V. 2.52 V. 1.26 V. 2.62 V. 1.31 V. ANSWER DOWNLOAD EXAMIANS APP