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Electromagnetic Field Theory

Electromagnetic Field Theory
Which of the following represents ohms law

 J = σE
All of these
 V = RI
 I = GV

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Electromagnetic Field Theory
MUF is depend upon

Received frequency by receiver
Electron density of the ionospheric layer
Height of ionospheric layer
11 year sun spot cycle

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Electromagnetic Field Theory
What is the value of total electric flux coming out of a closed surface?

 Equal to the surface charge density.
 Zero.
 Equal to volume change density.
 Equal to total charge enclosed by the surface.

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Electromagnetic Field Theory
In above question no. 9, the average force on the core to reduce the air gap will be

 1666.22 N.
 3332.47 N.
 832.29 N.
 6664.8 N.

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Electromagnetic Field Theory
When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be

 alternating.
 steady.
 none of these.
 pulsating.

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Electromagnetic Field Theory
A pure inductor is connected across a voltage source. Find the active power drawn by the inductor?

 maximum
 either 1 or 2
None of these
 0

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MORE MCQ ON Electromagnetic Field Theory

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