Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 15 W. 20 W. 25 W. 50 W. 15 W. 20 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is zero. none of tha above. infinite. finite. zero. none of tha above. infinite. finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. Bil cosθ. zero. BIL. Bil sinθ. Bil cosθ. zero. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR 2/d3. PR/d. Zero. PR/d2. PR 2/d3. PR/d. Zero. PR/d2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Polarization shifting and code diversity Amplitude timing and phase correction Antenna replacement and feed correction Path diversity and frequency diversity Polarization shifting and code diversity Amplitude timing and phase correction Antenna replacement and feed correction Path diversity and frequency diversity ANSWER DOWNLOAD EXAMIANS APP