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Electromagnetic Field Theory

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

 0
None of these
 maximum
 either 1 or 2

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Electromagnetic Field Theory
Which of the following represents ohms law

 I = GV
 V = RI
 J = σE
All of these

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Electromagnetic Field Theory
A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be

 113.04 µH.
 37.68 mH.
 37.68 µH.
 113.04 mH.

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Electromagnetic Field Theory
Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s

 first law
 fourth law
 third law
 second law

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Electromagnetic Field Theory
Conductor is varying and field is fixed then emf will be induced. This principle is called

 both A and B.
 static induced emf.
 dynamically induced emf.
None of these

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Electromagnetic Field Theory
The right hand rule for determining the direction of the induced EMF was introduced by

 Maxwell
 Lenz
 Faraday
 Fleming

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MORE MCQ ON Electromagnetic Field Theory

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