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Electromagnetic Field Theory

Electromagnetic Field Theory
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is

 - 8 C/m3.
 - 2 C/m3.
 - 4 C/m3.
 0 C/m3.

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

 True.
 False.
 Cannot comment.
 True partially.

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

 zero.
 Bil sinθ.
 BIL.
 Bil cosθ.

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Electromagnetic Field Theory
Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is

  – 360 πuz v/m.
 – 18 πuz v/m.
 – 10 uz v/m.
 – 72 πuz v/m.

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Electromagnetic Field Theory
A point charge in space is attracted towards a dielectric material because of the

 maximisation of electrostatic flux.
 all of above.
 phenomenon of dielectric polarisation.
 dielectric hysteresis.

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Electromagnetic Field Theory
Which antenna is a wideband antenna?

Hertz antenna
Folded dipole
None of these
Marconi antenna

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MORE MCQ ON Electromagnetic Field Theory

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