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Electromagnetic Field Theory

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

 Q / 4π.
 Q / 6.
 Q / 6ε.
 4πQ / 6ε.

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Electromagnetic Field Theory
Self inductance of magnetic coil is proportional to

 N.
 N2.
 1 / N2.
 1 / N.

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Electromagnetic Field Theory
In case of surface waves the field strength at a point is directly proportional to

Antenna height
Current of the antenna
Wave frequency
Distance of the point from the antenna

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Electromagnetic Field Theory
Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is

 2.
 0.5.
 4.
 1.

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Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

 V × D²
 V × D
 V² / D
 V / D

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Electromagnetic Field Theory
The divergence of a vector is a scalar, while the curl of a vector is another

None of these
Vector
Unit vector
Scalar

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MORE MCQ ON Electromagnetic Field Theory

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