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Electromagnetic Field Theory

Electromagnetic Field Theory
For a line characteristic impedance zo terminated is load zo/3, the reflection coefficient is

 1/3.
 2/3.
  – ½.
 – 1/3.

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Electromagnetic Field Theory
________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.

None of these
 Electric intensity.
 Magnetic flux density.
 Electric flux.

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

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

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Electromagnetic Field Theory
The main purpose of choke is

 to block low frequencies.
 none of above.
 to pass high frequencies.
  to pass low frequencies.

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Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to

 none of above.
 a dipole and a monopole.
 a dipole.
 a monopole.

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Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on

 the number of their turns.
 cross sectional area of their common core.
 all of above.
 permeability of core.

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