Electromagnetic Field Theory The radiation pattern of a parabola antenna is A figure of directional Omnidirectional None of these Highly directional A figure of directional Omnidirectional None of these Highly directional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Retardation Oscillating Accelerating Lagging the current Retardation Oscillating Accelerating Lagging the current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 30000 to 300000 MHz 300 to 3000 kHz 3 to 30 kHz 3000 to 30000 MHz 30000 to 300000 MHz 300 to 3000 kHz 3 to 30 kHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – 2 ux. 2 ux. – uy. 0. – 2 ux. 2 ux. – uy. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger wavelength than in the free space Diminishing wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Larger wavelength than in the free space Diminishing wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength 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 Dispersion Absorption Polarisation Scattering Dispersion Absorption Polarisation ANSWER DOWNLOAD EXAMIANS APP
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