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Electromagnetic Field Theory

Electromagnetic Field Theory
The radiation pattern of loop antenna is

Elliptical
Semicircle
Circle
Cardoid or Limacon

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Electromagnetic Field Theory
When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0.

No
Yes

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Electromagnetic Field Theory
A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as

 micro - coulomb.
 milli - coulomb.
 pico - coulomb.
 coulomb.

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Electromagnetic Field Theory
Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is

 – 72 πuz v/m.
  – 360 πuz v/m.
 – 10 uz v/m.
 – 18 πuz v/m.

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Electromagnetic Field Theory
Which of following can induce the maximum induced voltage ?

 1 amp dc.
 1 amp 100 Hz.
 20 amp dc.
 1 amp 1 Hz.

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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.
 reverse conductor.
 bad conductor.
 non - conductor.

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MORE MCQ ON Electromagnetic Field Theory

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