Hello /sci/

I just started my Electrical Techniques (basically electrician) degree. What are some neat tips you would recommend about AC/DC electricity, conductors, resistance factors, etc? I am eager to start learning this, it's all so interesting to me.

>inb4 retard
I know. I understand this topic is nowhere close to the stuff you guys discuss here, but I figured for that same reason maybe I can find some knowledge from you guys that I would be able to apply within my time learning all of this.