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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 / 6ε.
 Q / 4π.
 Q / 6.
 4πQ / 6ε.

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Electromagnetic Field Theory
For DC voltage an inductor is virtually a

 depends on polarity.
 open circuit.
 short circuit.
 depends on magnitude of voltage.

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Electromagnetic Field Theory
The static electric field in a conductor is

None of these
Infinity
Zero
Unity

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Electromagnetic Field Theory
Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is

 4 A/m.
 1 A/m.
 2 A/m.
 8 A/m.

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Electromagnetic Field Theory
The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of

 flux density.
 current flowing through the conductor.
 cross-sectional area of conductor.
 length of conductor.

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Electromagnetic Field Theory
The minimum height of outer atmosphere is

400 km
100 km
200 km
150 km

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MORE MCQ ON Electromagnetic Field Theory

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