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Electromagnetic Field Theory

Electromagnetic Field Theory
If a and b are the dimensions of waveguide then

a = b/4
a = b
a = 3b
a = 2b

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Electromagnetic Field Theory
Which of the following is zero in relation to electromagnetic fields?

 Div curl A.
 Div grad V.
 Grad div A.
 Curl curl A.

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Electromagnetic Field Theory
The radiation pattern of a parabola antenna is

A figure of directional
None of these
Highly directional
Omnidirectional

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Electromagnetic Field Theory
Which of this statement is not characteristic of a static magnetic field

 it is conservative.
 magnetic flux lines are always closed.
 it is solenoidal.
 it has no sink or sources.

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Electromagnetic Field Theory
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is

 0 C/m3.
 - 8 C/m3.
 - 2 C/m3.
 - 4 C/m3.

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Electromagnetic Field Theory
The divergence of a vector is a scalar, while the curl of a vector is another

Scalar
Vector
Unit vector
None of these

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MORE MCQ ON Electromagnetic Field Theory

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