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Electromagnetic Field Theory

Electromagnetic Field Theory
The ability of charged bodies to exert force on one another is attributed to the existence of

 neutrons.
 electric field.
 electrons.
 protons.

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Electromagnetic Field Theory
The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a

None of these
Circle
Figure of eight
Null

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

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

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Electromagnetic Field Theory
An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be

 4 A / s.
 64 A / s.
 32 A / s.
 16 A / s.

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Electromagnetic Field Theory
A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as

 A = cosφ Ir - sinφ Ir.
 A = cosφ Ir + sinφ Iφ.
 A = cosφ Ir.
 A = sinφ Ir.

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Electromagnetic Field Theory
What is the unit of magnetic charge

 Coulomb.
 Ampere.
  Ampere meter.
 Ampere-meter square.

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MORE MCQ ON Electromagnetic Field Theory

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