Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.29 m. 1.59 m. 1.39 m. 1.19 m. 1.29 m. 1.59 m. 1.39 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
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and filament current only. surface current only. volume current only. (A), (B), and (D) are all correct. filament current only. surface current only. volume current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its overload capacity. rating. cooling. short time rating. overload capacity. rating. cooling. short time rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω / π. ω/4π. ω/2π. ω. ω / π. ω/4π. ω/2π. ω. 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. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Co-energy is zero. ANSWER DOWNLOAD EXAMIANS APP