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Electromagnetic Field Theory

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

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

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Electromagnetic Field Theory
The potential that appears at a point in space due to the current which caused it is called potential

Oscillating
Lagging the current
Retardation
Accelerating

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Electromagnetic Field Theory
In an inductor current cannot change abruptly. Comment on the statement.

 True partially.
 True.
 Cannot comment.
 False.

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Electromagnetic Field Theory
What is the value of total electric flux coming out of a closed surface?

 Equal to volume change density.
 Zero.
 Equal to the surface charge density.
 Equal to total charge enclosed by the surface.

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Electromagnetic Field Theory
If the resistance of a conductor does not vary in accordance with the Ohms law it is known as

 non - linear conductor.
 non - conductor.
 bad conductor.
 reverse conductor.

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Electromagnetic Field Theory
Self inductance of magnetic coil is proportional to

 N2.
 1 / N2.
 1 / N.
 N.

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MORE MCQ ON Electromagnetic Field Theory

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