ESE (IES) Quiz : Electromagnetic Theory

Question 1

What is the value of the integralalong the curve c (c is the curve ABCD in the direction of the arrow)?

  • A.
  • B
  • C
  • D

Question 2

A uniform plane wave has a wavelength of 2 cm in free space and 1 cm in a perfect dielectric.what is the relative permittivity of the dielectric ?

  • A2.0
  • B0.5
  • C4.0
  • D0.25

Question 3

With the increase in frequency of an electromagnetic wave in free space, how do the velocity Vc and characteristic impedance Zc change ?

  • AVc increases and Zc decreases
  • BVc decreases and Zc increases
  • CBoth Vc and Zc increases
  • DBoth Vc and Zc remain unchanged

Question 4

Sphere of radius a with a uniform charge densityshall have electric flux density at r = a, equal to

  • A
  • B
  • C
  • D

Question 5

Image theory is applicable to problems involving

  • Aelectrostatic field only
  • Bmagnetistatic field only
  • Cboth electrostatic and magnetostatic fields
  • Dneither electrostatic nor magnetostatic field

Question 6

Which one of the following g is not the valid expression for magnetostatic field vector?

  • A
  • B
  • C
  • D

Question 7

Equationis based on

  • AGauss’s law
  • BLenz’s Law
  • CAmpere’s Law
  • DContinuity Equation

Question 8

In free space, if, the poisson’s equation becomes

  • AMaxwell’s divergence equation
  • BLaplacian equation
  • CKirchhoff’s voltage eqution=0
  • DNone of the above

Question 9

Which one of the following equation is not Maxwell’s Equations for a static electro- magnetic field in a lnear homogeneous medium?

  • A
  • B
  • C
  • D

Question 10

Consider the following equations;
1)
2).
3)
Which of the above appear in Maxwell’s Equations?

  • A1, 2 and 3
  • B1 and 2
  • C2 and 3
  • D1 and 3
Categories: Exams

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