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Electromagnetic Field Theory

Electromagnetic Field Theory
Skin depth is proportional to

 1/√σ.
 Frequency.
 Permeability.
 √(σ).

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Electromagnetic Field Theory
In above problem the induced emf will be reduced to half if the conductor moves an angle of

  30° to the direction of field.
  60° to the direction of field.
  45° to the direction of field.
  75° to the direction of field.

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Electromagnetic Field Theory
A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is

 Due to rotating only.
 Zero.
 Due to transformer only.
 Due to both rotating and transformer action.

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Electromagnetic Field Theory
A square corner reflector is used in which of the following?

Point-to-point communication
All of these
TV broadcast
Radio astronomy

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Electromagnetic Field Theory
The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by

 ω / π.
 ω.
 ω/2π.
 ω/4π.

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Electromagnetic Field Theory
1 Tesla =

 1 wb/ m2.
 1 wb- m2.
 1 wb .
 1 wb/m.

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MORE MCQ ON Electromagnetic Field Theory

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