Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 8 A/m. 1 A/m. 4 A/m. 2 A/m. 8 A/m. 1 A/m. 4 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 decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is parabola. hyperbola. straight line. ellipse. parabola. hyperbola. straight line. ellipse. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the same direction. less than that of disc and in the same direction. less than that of disc but in opposite direction. equal to that of disc and in the opposite direction. equal to that of disc and in the same direction. less than that of disc and in the same direction. less than that of disc but in opposite direction. equal to that of disc and in the opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force and torque are both finite. the net force is zero but torque is finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force and torque are both finite. the net force is zero but torque is finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is none of above. zero. repulsive. attractive. none of above. zero. repulsive. attractive. ANSWER DOWNLOAD EXAMIANS APP
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