Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Loss coefficient Transmission efficiency Front to back ratio None of these Loss coefficient Transmission efficiency Front to back ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω / π. ω/4π. ω/2π. ω. ω / π. ω/4π. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Law of conservation of energy. Gauss theorem. Newtons law of motion. Newtons law of gravitation. Law of conservation of energy. Gauss theorem. Newtons law of motion. Newtons law of gravitation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 80π coulombs. 10π coulombs. none of these. 40π coulombs. 80π coulombs. 10π coulombs. none of these. 40π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to 1 / N. N2. N. 1 / N2. 1 / N. N2. N. 1 / N2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is None of above. 10 C. 5 C. 40π C. None of above. 10 C. 5 C. 40π C. ANSWER DOWNLOAD EXAMIANS APP