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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 / π.
ω/2π.
ω/4π.
ω.
ω / π.
ω/2π.
ω/4π.
ω.
Answer
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Related Question
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
50 mH.
100 mH.
200 mH.
150 mH.
50 mH.
100 mH.
200 mH.
150 mH.
Answer
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Electromagnetic Field Theory
In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be
2.
8.
4.
1.
2.
8.
4.
1.
Answer
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Electromagnetic Field Theory
A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is
2 × 106.
2 × 10-6.
2 × 10-8.
2 × 108.
2 × 106.
2 × 10-6.
2 × 10-8.
2 × 108.
Answer
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Electromagnetic Field Theory
Ohm’s law in point from field theory can be expressed as
J = E / σ.
V = IR.
J = σE.
R = ρ × ( l / A).
J = E / σ.
V = IR.
J = σE.
R = ρ × ( l / A).
Answer
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Electromagnetic Field Theory
The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a
None of these
Figure of eight
Circle
Null
None of these
Figure of eight
Circle
Null
Answer
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