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. 8.4 mm. 10 mm. 2.4 mm. 4 mm. 8.4 mm. 10 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to √(σ). 1/√σ. Permeability. Frequency. √(σ). 1/√σ. Permeability. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation – y direction. z direction. – z direction. y direction. – y direction. z direction. – z direction. y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 1.0. 2.0. 0.5. Zero. 1.0. 2.0. 0.5. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An isolator None Phase shifter An attenuator An isolator None Phase shifter An attenuator ANSWER DOWNLOAD EXAMIANS APP
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