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 25 W. 50 W. 20 W. 15 W. 25 W. 50 W. 20 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Zero Very high Infinite Very low Zero Very high Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as reverse conductor. bad conductor. non - conductor. non - linear conductor. reverse conductor. bad conductor. non - conductor. non - linear conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Balun transformer Short-circuited stub A half wave line A quarter wave line Balun transformer Short-circuited stub A half wave line A quarter wave line 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 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. to increase the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 16 A / s. 4 A / s. 64 A / s. 32 A / s. 16 A / s. 4 A / s. 64 A / s. 32 A / s. ANSWER DOWNLOAD EXAMIANS APP
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