Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Constitutive parameters. Loss tangent. Reflector coefficient. Attenuation constant. Constitutive parameters. Loss tangent. Reflector coefficient. Attenuation constant. 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 4 mm. 10 mm. 2.4 mm. 8.4 mm. 4 mm. 10 mm. 2.4 mm. 8.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be none of above. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. perpendicular to the circumference of the wire. none of above. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. perpendicular to the circumference of the wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is 4.32. Infinity. Zero. 2.16. 4.32. Infinity. Zero. 2.16. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 12t. 24t. 12t3. 4t3. 12t. 24t. 12t3. 4t3. ANSWER DOWNLOAD EXAMIANS APP
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