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 10 mm. 2.4 mm. 8.4 mm. 4 mm. 10 mm. 2.4 mm. 8.4 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to 1/√σ. √(σ). Permeability. Frequency. 1/√σ. √(σ). Permeability. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? Radio astronomy TV broadcast Point-to-point communication All of these Radio astronomy TV broadcast Point-to-point communication All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? None of these either 1 or 2 0 maximum None of these either 1 or 2 0 maximum ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
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