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Electromagnetic Field Theory

Electromagnetic Field Theory
A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m?

 1.29 m.
 1.19 m.
 1.39 m.
 1.59 m.

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Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation

 z direction.
 – y direction.
 – z direction.
 y direction.

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Electromagnetic Field Theory
Which of following is not a unit of flux?

 Weber.
 All of above.
 Telsa.
 Maxwell.

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

 none of these
 virtually induced emf.
 dynamically induced emf.
 static induced emf.

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Electromagnetic Field Theory
In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be

 150 mH.
 50 mH.
 200 mH.
 100 mH.

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Electromagnetic Field Theory
A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

 QR2/d.
 Q√(R2 + d2).
  QD.
 QR.

ANSWER DOWNLOAD EXAMIANS APP
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