Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 1 A/m. 4 A/m. 8 A/m. 2 A/m. 1 A/m. 4 A/m. 8 A/m. 2 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Hysteresis. Coercivity. Retentivity. Saturation magnetism. Hysteresis. Coercivity. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/4 C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv C/m2. aρv/4 C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 1.1304 μH. 3.768 μH. 113.04 μH. 37.68 μH. 1.1304 μH. 3.768 μH. 113.04 μH. 37.68 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field strength of charge Increase distance. Decrease with distance. Increase square distance. Decrease with square distance. Increase distance. Decrease with distance. Increase square distance. Decrease with square distance. ANSWER DOWNLOAD EXAMIANS APP