Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. 20 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. the number of their turns. all of above. permeability of core. cross sectional area of their common core. the number of their turns. all of above. permeability of core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere-meter square. Ampere. Ampere meter. Coulomb. Ampere-meter square. Ampere. Ampere meter. Coulomb. 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 on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque are both finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as series aiding inductance. mutual inductance. capacitance. self inductance. series aiding inductance. mutual inductance. capacitance. self inductance. ANSWER DOWNLOAD EXAMIANS APP