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 The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω/2π. ω/4π. ω / π. ω. ω/2π. ω/4π. ω / π. ω. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts. 106 Amp/sec. 106 volts/sec. 106 Amp. 106 volts. 106 Amp/sec. 106 volts/sec. 106 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes - 100 μ v/m. None of above. 0. 100 μ v/m. - 100 μ v/m. None of above. 0. 100 μ v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor is made of thin wire. the inductor is non linear. the inductor has ferrite core. the above statement is false. the inductor is made of thin wire. the inductor is non linear. the inductor has ferrite core. the above statement is false. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field magnetic flux lines are always closed. it has no sink or sources. it is solenoidal. it is conservative. magnetic flux lines are always closed. it has no sink or sources. it is solenoidal. it is conservative. ANSWER DOWNLOAD EXAMIANS APP
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