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 it is a perfect transformer. transformer is an ideal transformer. turns ratio of the transformer is also two. none of these. it is a perfect transformer. transformer is an ideal transformer. turns ratio of the transformer is also two. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) Zero. PR/d. PR/d2. PR 2/d3. Zero. PR/d. PR/d2. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is not a unit of flux? Maxwell. Weber. All of above. Telsa. Maxwell. Weber. All of above. Telsa. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.39 m. 1.29 m. 1.59 m. 1.19 m. 1.39 m. 1.29 m. 1.59 m. 1.19 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP