Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be Zero. 0.4 π V. 0.8 π V. 8 π V. Zero. 0.4 π V. 0.8 π V. 8 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Both A and B Unity None of these Constant Both A and B Unity None of these Constant ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A dipole. A quardra pole. Both of A and B. A monopole. A dipole. A quardra pole. Both of A and B. A monopole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to 1/√σ. Permeability. √(σ). Frequency. 1/√σ. Permeability. √(σ). Frequency. 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. 10π coulombs. 80π coulombs. none of these. 40π coulombs. 10π coulombs. 80π coulombs. ANSWER DOWNLOAD EXAMIANS APP
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