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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

 0.5.
 Zero.
 2.0.
 1.0.

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Electromagnetic Field Theory
When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon

The value of current
None of these
The weight of the conductor
The direction of the conductor

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Electromagnetic Field Theory
The electrical field strength at a distance point A due to a point charge +q, located at the origin, is 100 µl v/m. If the point charge is now enclosed by a perfectly conducting metal sheet sphere whose centre is at origin, A, outside the sphere, becomes

 100 μ v/m.
 - 100 μ v/m.
 0.
 None of above.

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Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to

 a dipole.
 a dipole and a monopole.
 a monopole.
 none of above.

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Electromagnetic Field Theory
Unit of electric flux density is

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

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Electromagnetic Field Theory
Self inductance of magnetic coil is proportional to

 1 / N2.
 N.
 N2.
 1 / N.

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