"if the electrons seem stationary, and assuming the positive charges (ions in the conductor) also appear stationary to this observer"
You are absolutely right .... the above sentence is wrong. I actually misprinted this and I only wanted to consider an observer that is traveling along the...
According to the special theory of relativity the electric and magnetic fields observed from a charge distribution should depend on the relative motion of the observer. For example consider a linear arrangement of point charges which are fixed relative to each other. An observer who is...