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
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on the number of their turns. permeability of core. all of above. cross sectional area of their common core. the number of their turns. permeability of core. all of above. cross sectional area of their common core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have large coercivity. high hysteresis coefficient. high resistivity. small B-H loop area. large coercivity. high hysteresis coefficient. high resistivity. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Maximum rate of increase of scalar function at a point. Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Maximum rate of increase of scalar function at a point. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is equal to the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at The lower surface of the conductor. The ground surface. The upper surface of the conductor. Midway between the conductor and ground. The lower surface of the conductor. The ground surface. The upper surface of the conductor. Midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
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