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Electromagnetic Field Theory

Electromagnetic Field Theory
If the static magnetic flux density is B, then

 Curl of B = J.
  Divergence of B = 0.
 Divergence of B = J.
 Curl of B = 0.

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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.
 ω / π.
 ω/2π.
 ω/4π.

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Electromagnetic Field Theory
inductance (L2) in parallel without mutual coupling will be

 20 mH.
 5 mH.
 15 mH.
 10 mH.

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Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is

 Bil sinθ.
 Bil cosθ.
 BIL.
 zero.

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Electromagnetic Field Theory
The lagging of flux density behind the applied magnetising force is known as

 hysteresis.
All of these
 flux.
 permeance.

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Electromagnetic Field Theory
The skip distance is the maximum distance upto which ionospheric reflection is possible.

False
True

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