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Electromagnetic Field Theory

Electromagnetic Field Theory
The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is

 40 nj.
 100 nj.
 20 nj.
 60 nj.

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Electromagnetic Field Theory
Tropospheric scatter is used with frequencies in the

UHF
HF
VHF
VLF

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

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

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Electromagnetic Field Theory
In order to minimize loss due to hysteresis the magnetic material should have

 high hysteresis coefficient.
 small B-H loop area.
 large coercivity.
 high resistivity.

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Electromagnetic Field Theory
Which of following is not a unit of flux?

 All of above.
 Telsa.
 Maxwell.
 Weber.

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Electromagnetic Field Theory
Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be

 50.
 5.
 10.
 20.

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MORE MCQ ON Electromagnetic Field Theory

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