What are relativistic and non-relativistic electron flows?

relativistic speeds are speeds close to the speed of light in vacuum (approx. 300000km/s). Electrons will never be able to actually reach this speed, but as they get closer to it, they become heavier than if they are not moving (The specific theory of relativity explains why)

Most scientists would say that a speed 10% of light is relativistic, others would say 20%.

At 10%c, the relativistic correction for mass and length is 5.4%.

At 20%c, it is 11.8%

At 90%c, it is 216%

At 99%c, it is 900%

at 99.999%c, an object appears to be 315 times more massive, and 1/315 the length of its rest mass and size.

If something is relativistic it is subject to the theory of relativity. (Do you know what that is?)

It also relates to or results from speeds approaching the speed of light.

speeds is one thing for the electron flows or a movement of some kind. IT's a great question. YOu get a star!

I don't understand what you're trying to ask.Next question.I rather be eaten by flying sharks than to waste my time on such primitive questions.A brain with superior intellect like mine doesn't have time for silly questions.