Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. 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 parallel to the plane of the wire. none of above. parallel to half portion and perpendicular for the other half. perpendicular to the circumference of the wire. parallel to the plane of the wire. none of above. parallel to half portion and perpendicular for the other half. perpendicular to the circumference of the wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 20 W. 50 W. 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Semicircle Cardoid or Limacon Elliptical Circle Semicircle Cardoid or Limacon Elliptical Circle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 5. 10. 50. 20. 5. 10. 50. 20. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Dispersion Polarisation Absorption Scattering Dispersion Polarisation Absorption Scattering ANSWER DOWNLOAD EXAMIANS APP
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