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Electromagnetic Field Theory

Electromagnetic Field Theory
A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is

 1.31 V.
 2.62 V.
 1.26 V.
 2.52 V.

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Electromagnetic Field Theory
The operation of electric generators and motors depend on the intraction between magnetic field and

 Electric fields.
  Electric current.
 Commutator.
 Copper conductors.

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Electromagnetic Field Theory
As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the

 velocity of propagation.
 phase velocity.
 normal velocity.
 group velocity.

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Electromagnetic Field Theory
In a perfect conductor the incident and reflected wave combine to produce

None of these
A stronger reflected wave
A standing wave which is not progressing
A stronger incident wave

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Electromagnetic Field Theory
A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be

 0.8 π V.
 0.4 π V.
 8 π V.
 Zero.

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Electromagnetic Field Theory
Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is

 Q / 6ε.
 Q / 4π.
 Q / 6.
 4πQ / 6ε.

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MORE MCQ ON Electromagnetic Field Theory

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