Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Infinite Very high Zero Very low Infinite Very high Zero 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 A satellite that simply reflect back the signals from one region of the earth to the other region is known as Passive satellite Orbiting satellite Geostationary satellite Active satellite Passive satellite Orbiting satellite Geostationary satellite Active satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation z direction. – y direction. – z direction. y direction. z direction. – y direction. – z direction. y direction. 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 0. - 100 μ v/m. None of above. 100 μ v/m. 0. - 100 μ v/m. None of above. 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as micro - coulomb. pico - coulomb. coulomb. milli - coulomb. micro - coulomb. pico - coulomb. coulomb. milli - coulomb. ANSWER DOWNLOAD EXAMIANS APP
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