Electromagnetic Waves and Maxwell's Equations
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Questions and Answers

What is a characteristic of electromagnetic waves?

  • They require a medium to travel
  • They have only electric properties
  • They have both magnetic and electric properties (correct)
  • They can only travel through solids

    • What is the direction of electric field lines?

  • They originate on negative charges and terminate on positive charges
  • They are continuous, having no beginning or end
  • They are perpendicular to magnetic field lines
  • They originate on positive charges and terminate on negative charges (correct)

    • What is the speed of light in vacuum?

  • 3.00×10^8 m/s (correct)
  • 5.00×10^8 m/s
  • 2.00×10^8 m/s
  • 4.00×10^8 m/s

    • What happens to electrons in an antenna when an incoming electromagnetic wave is received?

    <p>They are accelerated</p> Signup and view all the answers

    What is the relationship between the E-field strength and the B-field strength in an electromagnetic wave?

    <p>B is proportional to E</p> Signup and view all the answers

    What is the unit of B-field strength in the example problem?

    <p>T</p> Signup and view all the answers

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