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Important Questions for "electromagnetic theory":

[1]

  1. Write down the electromagnetic wave equation and its general solution with clear meaning of terms used.
  2. Deduce the ratio of maximum to minimum intensities in fringe system when the ratio of intensities of two waves producing interference is 16:1.
  3. Through what angle should one polaroid be rotated to reduce the intensity to one-fourth when two polaroids are adjusted for maximum intensity?

[2]

  1. What do you understand by Lorentz Force?
  2. What is meant by Current Network?
  3. What is meant by impedance of an electric circuit? What is a linear impedance?

[3]

  1. Write down Maxwell's equations in integral form.
  2. What is displacement current? Write down its characteristics.
  3. Deduce expressions for electric and magnetic fields of an oscillating electric dipole.

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