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Electromagnetic Field Theory

Electromagnetic Field Theory
Which of following is the unit of inductance?

  Ampere turns.
 Ohm.
  Webers / m.
  Milli- henry.

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Electromagnetic Field Theory
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is

 - 8 C/m3.
 - 4 C/m3.
 0 C/m3.
 - 2 C/m3.

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Electromagnetic Field Theory
Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V.

 0.5m.
 5.25m.
 6.25m.
 0.6m.

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Electromagnetic Field Theory
An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be

3.5
4.5
1.5
2.5

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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to

 A quardra pole.
 Both of A and B.
 A dipole.
 A monopole.

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Electromagnetic Field Theory
The radiation pattern of loop antenna is

Semicircle
Cardoid or Limacon
Elliptical
Circle

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