Recent content by gumthakka

  1. gumthakka

    Graduate Cases when Ampere's circuital law fails to hold

    Well, I guess that is pretty much my question.
  2. gumthakka

    Graduate Current and stationary charges

    What I meant was, how would one account for the change in charge density caused by length contraction when charges are moving in a current-carrying wire? Will it not result in a net electrostatic force on a stationary charge?
  3. gumthakka

    Graduate Current and stationary charges

    I've learned that moving charges produce magnetic fields which in turn affect other charges in motion. After seeing explanations that point to special relativity, I am kind of confused. Can **ALL** magnetic fields be accounted as some kind of electric field from a particular reference frame...