Material Detail

Existence of Magnetic Fields

Existence of Magnetic Fields

This applet shows interactions between moving charges. It shows with a system of two wires why magnetic
fields must exist in order for the postulates of relativity and charge invariance to be consistent with one another.


  • User Rating
  • Comments
  • Learning Exercises
  • Bookmark Collections
  • Course ePortfolios
  • Accessibility Info

More about this material


Log in to participate in the discussions or sign up if you are not already a MERLOT member.