1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Oddity in using maxwell's equations in time independent form

  1. Nov 11, 2013 #1

    FOIWATER

    User Avatar
    Gold Member

    I am solving a question that asks me to find an H field in phasor form from the given E field in phasor form

    Es = j30(beta)(I)(dl)sin(theta)e^(-j(beta)r) a(theta) V/m

    Given that the EM wave propagates in free space.

    Why do I get different answers if I :

    1) Divide Es by the magnitude of the intrinsic impedance of free space

    2) Solve for H field using maxwells equations in phasor form

    Should be the same answer right? Since intrinsic impedance is derived using maxwell's equations in my textbook.

    any help thanks
     
  2. jcsd
  3. Nov 11, 2013 #2

    FOIWATER

    User Avatar
    Gold Member

    I am now assuming it is because not only is the wave time varying, it is also propagating.

    That leads to the treatment of the field as a wave, and THAT leads to the definition of intrinsic impedance?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted