Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 2. 4. 8. 1. 2. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per unit solid angle in that direction Power radiated per square metre Energy radiated per square metre None of these Power radiated per unit solid angle in that direction Power radiated per square metre Energy radiated per square metre None of these 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 None of above. 100 μ v/m. - 100 μ v/m. 0. None of above. 100 μ v/m. - 100 μ v/m. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) None of above. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its cooling. short time rating. overload capacity. rating. cooling. short time rating. overload capacity. rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
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