Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 2. 1. 4. 8. 2. 1. 4. 8. 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
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 The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 1.15 J. 0.5 J. 0.015 J. 0.15 J. 1.15 J. 0.5 J. 0.015 J. 0.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to Decrease in the value of reactance No change in the impedance value No change in the reactance value An increase in the value of reactance Decrease in the value of reactance No change in the impedance value No change in the reactance value An increase in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only displacement current. Both conduction and displacement current. Only conduction current. None of these Only displacement current. Both conduction and displacement current. Only conduction current. None of these ANSWER DOWNLOAD EXAMIANS APP
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