Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. attractive. zero. none of above. repulsive. attractive. zero. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor is made of thin wire. the inductor is non linear. the above statement is false. the inductor has ferrite core. the inductor is made of thin wire. the inductor is non linear. the above statement is false. the inductor has ferrite core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of B = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Surface integral of (j.ds) = 0. Divergence of B = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Surface integral of (j.ds) = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 37.5 V. 75 V. 50 V. 150 V. 37.5 V. 75 V. 50 V. 150 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Accelerating Oscillating Retardation Lagging the current Accelerating Oscillating Retardation Lagging the current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is None of these Unity Both A and B Constant None of these Unity Both A and B Constant ANSWER DOWNLOAD EXAMIANS APP
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