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Objectives

After studying the material of this chapter, the student should be able to:
1. Give a nonmathematical summary of Maxwell's equations.
2. Describe how electromagnetic waves are produced.
3. Draw a diagram representing the field strengths of an electromagnetic wave produced by a sinusoidally varying source of emf.
4. Calculate the velocity of electromagnetic waves in a vacuum if both the permittivity and permeability of free space are given.
5. State the names given to the different segments of the electromagnetic spectrum.
6. State the approximate range of wavelengths associated with each segment of the electromagnetic spectrum.
7. State the equation which relates the speed of an electromagnetic wave to the frequency and wavelength and use this equation in problem solving.
8. Determine the peak magnitude of both the electric and magnetic field strength if the energy density of the electromagnetic wave is given.
9. Solve problems related to the time average value of the Poynting vector at a particular point and calculate the peak values of both the electric and magnetic fields at this point.





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