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Electromagnetic Field Theory

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

 - 2 C/m3.
 0 C/m3.
 - 4 C/m3.
 - 8 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

Vector
Scalar
None of these
Unit vector

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Electromagnetic Field Theory
Electric field inside a hollow metallic charged sphere is

 decreasing towards centre.
 none of above.
 increasing towards centre.
 zero.

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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/4π.
 ω/2π.

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Electromagnetic Field Theory
If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying

 106 Amp/sec.
 106 volts.
 106 volts/sec.
 106 Amp.

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

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

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MORE MCQ ON Electromagnetic Field Theory

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