Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n = - k. n = K. n × k = 0. n. k = 0. n = - k. n = K. n × k = 0. n. k = 0. ANSWER DOWNLOAD EXAMIANS APP
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 20 W. 25 W. 15 W. 50 W. 20 W. 25 W. 15 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is decreasing towards centre. none of above. increasing towards centre. zero. decreasing towards centre. none of above. increasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BL2I. BI2L. BIL. zero. BL2I. BI2L. BIL. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 1.5 2.5 4.5 3.5 1.5 2.5 4.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 225. 250. 150. 145. 225. 250. 150. 145. ANSWER DOWNLOAD EXAMIANS APP
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