Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger frequency than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space 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. 4 mm. 10 mm. 8.4 mm. 2.4 mm. 4 mm. 10 mm. 8.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of current flowing through the conductor. flux density. cross-sectional area of conductor. length of conductor. current flowing through the conductor. flux density. cross-sectional area of conductor. length of conductor. 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. 100 V. 75 V. 25 V. 50 V. 100 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Divergence of D = ρv. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP