Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 8. 2. 4. 1. 8. 2. 4. 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 Zero. 4.32. Infinity. 2.16. Zero. 4.32. Infinity. 2.16. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave None of these A stronger incident wave A standing wave which is not progressing A stronger reflected wave None of these A stronger incident wave A standing wave which is not progressing ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.577. 0.447. 0.477. 0.01. 0.577. 0.447. 0.477. 0.01. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes 100 μ v/m. None of above. - 100 μ v/m. 0. 100 μ v/m. None of above. - 100 μ v/m. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to transformer only. Zero. Due to rotating only. Due to both rotating and transformer action. Due to transformer only. Zero. Due to rotating only. Due to both rotating and transformer action. ANSWER DOWNLOAD EXAMIANS APP
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