Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 20 mH. 5 mH. 10 mH. 0 mH. 20 mH. 5 mH. 10 mH. 0 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Less than No relation Equal to Higher than Less than No relation Equal to Higher than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be 200 mH. 50 mH. 150 mH. 100 mH. 200 mH. 50 mH. 150 mH. 100 mH. 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 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = J. Divergence of B = 0. Curl of B = J. Curl of B = 0. Divergence of B = J. Divergence of B = 0. Curl of B = J. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field it has no sink or sources. magnetic flux lines are always closed. it is solenoidal. it is conservative. it has no sink or sources. magnetic flux lines are always closed. it is solenoidal. it is conservative. ANSWER DOWNLOAD EXAMIANS APP
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