Recent content by Urmit patel

  1. U

    Graduate Electric Field Outside of a Ring of Charge in the X-Y Plane

    zap please explain how you get r^2=R^2+P^2 - 2R(xcos(theta)+ycos(theta)).I think it is r^2=R^2+P^2 - 2R(xcos(theta)+ysin(theta))