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. 0. – uy. 2 ux. – 2 ux. 0. – uy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335 C. 0.335/sinθ c. 0. None of above. 0.335 C. 0.335/sinθ c. 0. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 2.4 mm. 8.4 mm. 10 mm. 4 mm. 2.4 mm. 8.4 mm. 10 mm. 4 mm. 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 Polarisation Dispersion Scattering Absorption Polarisation Dispersion Scattering Absorption ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. False True False True ANSWER DOWNLOAD EXAMIANS APP
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