1. Limited time only! Sign up for a free 30min personal 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!

Cross product relating B, E and direction of propogation?

  1. Mar 30, 2004 #1
    Is there a cross product that releates the magnetic field, electric field, and direction of propogation?

    Thanks
     
  2. jcsd
  3. Mar 30, 2004 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Poynting Vector

    Yes, the Poynting vector:
    [tex]\vec{S} = \frac{1}{\mu_0} \vec{E} \times \vec{B}[/tex]
     
  4. Mar 31, 2004 #3
    Thank you!
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook