Electromagnetic Field Theory If the static magnetic flux density is B, then Curl of B = J. Divergence of B = J. Curl of B = 0. Divergence of B = 0. Curl of B = J. Divergence of B = J. Curl of B = 0. Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then none of these. it is a perfect transformer. turns ratio of the transformer is also two. transformer is an ideal transformer. none of these. it is a perfect transformer. turns ratio of the transformer is also two. transformer is an ideal transformer. ANSWER DOWNLOAD EXAMIANS APP
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 Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency 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 none of these. 40π coulombs. 80π coulombs. 10π coulombs. none of these. 40π coulombs. 80π coulombs. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 4 A/m. 1 A/m. 2 A/m. 8 A/m. 4 A/m. 1 A/m. 2 A/m. 8 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n × k = 0. n. k = 0. n = - k. n = K. n × k = 0. n. k = 0. n = - k. n = K. ANSWER DOWNLOAD EXAMIANS APP
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