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Electromagnetic Field Theory

Electromagnetic Field Theory
It is best to use for coupling a coaxial line to a parallel wire transmission line.

Balun
Directional Coupler
Slotted line
Tee

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Electromagnetic Field Theory
If a and b are the dimensions of waveguide then

a = b/4
a = 3b
a = 2b
a = b

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Electromagnetic Field Theory
The radiation pattern of loop antenna is

Circle
Semicircle
Cardoid or Limacon
Elliptical

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Electromagnetic Field Theory
If the resistance of a conductor does not vary in accordance with the Ohms law it is known as

 non - linear conductor.
 bad conductor.
 non - conductor.
 reverse conductor.

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Electromagnetic Field Theory
In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is

 Zero.
 Infinity.
  2.16.
 4.32.

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Electromagnetic Field Theory
Unit of electric flux density is

 coulomb / meter2.
 farad / meter.
 coulomb.
 weber / meter2.

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MORE MCQ ON Electromagnetic Field Theory

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