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 inductance (L2) in parallel without mutual coupling will be 5 mH. 15 mH. 20 mH. 10 mH. 5 mH. 15 mH. 20 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Wave frequency Current of the antenna Antenna height Distance of the point from the antenna Wave frequency Current of the antenna Antenna height Distance of the point from the antenna 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 Absorption Scattering Polarisation Dispersion Absorption Scattering Polarisation Dispersion ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? An emf is induced in split coil. An emf is induced in both coils. Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. An emf is induced in split coil. An emf is induced in both coils. Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at the ground surface. midway between the conductor and ground. lower surface of the conductor. upper surface of the conductor. the ground surface. midway between the conductor and ground. lower surface of the conductor. upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
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