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Electromagnetic Field Theory

Electromagnetic Field Theory
Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is

 √ 2 V.
 1 V.
 Zero.
  2 V.

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Electromagnetic Field Theory
If E is the electric field intensity, then what is the value of divergence of (curl of E)?

 | E |.
 E.
 Null vector.
 Zero.

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Electromagnetic Field Theory
The shape of B-H curve for air gap is

 hyperbola.
 parabola.
 ellipse.
 straight line.

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Electromagnetic Field Theory
Which of the following impedance inversion is obtained?

A quarter wave line
Balun transformer
Short-circuited stub
A half wave line

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Electromagnetic Field Theory
A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be

 100 V.
 25 V.
 75 V.
 50 V.

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Electromagnetic Field Theory
A satellite that simply reflect back the signals from one region of the earth to the other region is known as

Passive satellite
Geostationary satellite
Orbiting satellite
Active satellite

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MORE MCQ ON Electromagnetic Field Theory

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