Electromagnetic Field Theory Skin depth is proportional to 1/√σ. Permeability. Frequency. √(σ). 1/√σ. Permeability. Frequency. √(σ). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by ab Bo cosω t. abω Bo sinω t. Zero. Bo ω sinω t. ab Bo cosω t. abω Bo sinω t. Zero. Bo ω sinω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? either 1 or 2 None of these 0 maximum either 1 or 2 None of these 0 maximum ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 8. 2. 4. 1. 8. 2. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. None of these rotor rotation. induced emf. magnetic field. None of these rotor rotation. induced emf. 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
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