Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv C/m2. aρv/4 C/m2. ρv/3 C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 20 mH. 10 mH. 15 mH. 5 mH. 20 mH. 10 mH. 15 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. 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
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 2. 8. 4. 1. 2. 8. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
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