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Electromagnetic Field Theory
Skin depth is proportional to
Frequency.
1/√σ.
Permeability.
√(σ).
Frequency.
1/√σ.
Permeability.
√(σ).
Answer
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Related Question
Electromagnetic Field Theory
Materials subjected to rapid reversals of magnetism should have
both a and b.
low permeability.
low hysteresis loss.
high permeability.
both a and b.
low permeability.
low hysteresis loss.
high permeability.
Answer
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Electromagnetic Field Theory
In an inductor current cannot change abruptly. Comment on the statement.
Cannot comment.
False.
True partially.
True.
Cannot comment.
False.
True partially.
True.
Answer
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Electromagnetic Field Theory
Fleming's right hand rule may be applied to an electric generator to find out the direction of
None of these
rotor rotation.
magnetic field.
induced emf.
None of these
rotor rotation.
magnetic field.
induced emf.
Answer
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Electromagnetic Field Theory
In H-plane metal plate lens the travelling wave front is
Totally retarded
Neither accelerated nor retarded
Accelerated
Retarded
Totally retarded
Neither accelerated nor retarded
Accelerated
Retarded
Answer
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Electromagnetic Field Theory
If the static magnetic flux density is B, then
Curl of B = J.
Divergence of B = J.
Divergence of B = 0.
Curl of B = 0.
Curl of B = J.
Divergence of B = J.
Divergence of B = 0.
Curl of B = 0.
Answer
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