Electromagnetic Waves: Chapter 8
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Questions and Answers

What did Maxwell suggest to remove the inconsistency in Ampere’s circuital law?

  • Additional voltage
  • Additional capacitance
  • Additional resistance
  • Additional current (correct)
  • According to James Clerk Maxwell, what gives rise to a magnetic field?

  • An electric current
  • An electric potential
  • An unchanging electric field
  • A time-varying electric field (correct)
  • What did Maxwell formulate involving electric and magnetic fields, charge, and current densities?

  • Gauss's law
  • Faraday's law
  • Ohm's law
  • Maxwell's equations (correct)
  • What was noticed by Maxwell while applying Ampere’s circuital law?

    <p>An inconsistency in Ampere’s circuital law</p> Signup and view all the answers

    What do Maxwell’s equations mathematically express?

    <p>All the basic laws of electromagnetism</p> Signup and view all the answers

    Which scientist argued that a time-varying electric field generates a magnetic field?

    <p>James Clerk Maxwell</p> Signup and view all the answers

    What did Maxwell's equations predict?

    <p>Existence of electromagnetic waves</p> Signup and view all the answers

    What did Maxwell's work unify?

    <p>Electricity and magnetism</p> Signup and view all the answers

    Who experimentally demonstrated the existence of electromagnetic waves?

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

    What led to the revolution in communication?

    <p>Discovery of radio waves</p> Signup and view all the answers

    What must a changing electric field produce, according to Maxwell?

    <p>A changing magnetic field</p> Signup and view all the answers

    What explains the existence of radio waves, gamma rays, and visible light?

    <p>Displacement current</p> Signup and view all the answers

    What is the broad spectrum of electromagnetic waves described as?

    <p>Stretching from gamma rays to long radio waves</p> Signup and view all the answers

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