Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 6 db 3 db 4.15 db 2.15 db 6 db 3 db 4.15 db 2.15 db 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 When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The weight of the conductor The value of current None of these The direction of the conductor The weight of the conductor The value of current None of these The direction of the conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional None of these Highly directional A figure of directional Omnidirectional None of these Highly directional A figure of directional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – uy. – 2 ux. 0. 2 ux. – uy. – 2 ux. 0. 2 ux. 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 5 C. None of above. 40π C. 10 C. 5 C. None of above. 40π C. 10 C. ANSWER DOWNLOAD EXAMIANS APP
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