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 50 W. 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to No change in the reactance value No change in the impedance value Decrease in the value of reactance An increase in the value of reactance No change in the reactance value No change in the impedance value Decrease in the value of reactance An increase in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction Path diversity and frequency diversity Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction Path diversity and frequency diversity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 H. 3.2 µH. 3.2 mH. 32 mH. 3.2 H. 3.2 µH. 3.2 mH. 32 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 1mA. 2 mA. 2.5 mA. 1.5 mA. 1mA. 2 mA. 2.5 mA. 1.5 mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave A stronger incident wave A standing wave which is not progressing None of these A stronger reflected wave A stronger incident wave A standing wave which is not progressing None of these ANSWER DOWNLOAD EXAMIANS APP
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