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Electromagnetic Field Theory

Electromagnetic Field Theory
The potential that appears at a point in space due to the current which caused it is called potential

Lagging the current
Accelerating
Oscillating
Retardation

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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

 Q / 6ε.
 Q / 6.
 Q / 4π.
 4πQ / 6ε.

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Electromagnetic Field Theory
If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying

 106 Amp.
 106 volts/sec.
 106 volts.
 106 Amp/sec.

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Electromagnetic Field Theory
The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is

 3.
 8.
 2.
 4.

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Electromagnetic Field Theory
Between a hollow and solid metal sphere, charge reside

 on outer surface in hollow and throughout in solid.
 on outer surface in both.
 None of above.
 on outer surface in hollow and throughout in solid

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Electromagnetic Field Theory
Parabolic and lens antenna used at

Medium frequency
Microwave frequency
Low frequency
High frequency

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MORE MCQ ON Electromagnetic Field Theory

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