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. 20 W. 25 W. 50 W. 15 W. 20 W. 25 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 15 mH. 10 mH. 20 mH. 5 mH. 15 mH. 10 mH. 20 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to An increase in the value of reactance No change in the impedance value No change in the reactance value Decrease in the value of reactance An increase in the value of reactance No change in the impedance value No change in the reactance value Decrease in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be parallel to axis. zero. at angle of 45° with the axis. perpendicular to the axis. parallel to axis. zero. at angle of 45° with the axis. perpendicular to the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then turns ratio of the transformer is also two. none of these. it is a perfect transformer. transformer is an ideal transformer. turns ratio of the transformer is also two. none of these. it is a perfect transformer. transformer is an ideal transformer. ANSWER DOWNLOAD EXAMIANS APP