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Electromagnetic Field Theory

Electromagnetic Field Theory
In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be

 Zero.
 0.5.
 1.0.
 2.0.

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Electromagnetic Field Theory
Unit of electric flux density is

 coulomb / meter2.
 weber / meter2.
 coulomb.
 farad / meter.

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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to

 Both of A and B.
 A monopole.
 A dipole.
 A quardra pole.

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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

 4πQ / 6ε.
 Q / 4π.
 Q / 6ε.
 Q / 6.

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Electromagnetic Field Theory
A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is

 Due to transformer only.
 Due to rotating only.
 Zero.
 Due to both rotating and transformer action.

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Electromagnetic Field Theory
The main purpose of choke is

 none of above.
 to pass high frequencies.
 to block low frequencies.
  to pass low frequencies.

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MORE MCQ ON Electromagnetic Field Theory

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