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Electromagnetic Field Theory

Electromagnetic Field Theory
A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is

 1.31 V.
 2.62 V.
 2.52 V.
 1.26 V.

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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.
 20 W.
 15 W.
 50 W.

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Electromagnetic Field Theory
Which of following can induce the maximum induced voltage ?

 1 amp dc.
 1 amp 1 Hz.
 1 amp 100 Hz.
 20 amp dc.

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Electromagnetic Field Theory
Materials subjected to rapid reversals of magnetism should have

 high permeability.
 low hysteresis loss.
 both a and b.
 low permeability.

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Electromagnetic Field Theory
Tropospheric scatter propagation is not subject to any fading.

False
True

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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 Amp.
 106 volts.
 106 Amp/sec.
 106 volts/sec.

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MORE MCQ ON Electromagnetic Field Theory

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