Physics/Math:
Physics Girl: https://www.youtube.com/c/physicsgirl
Dr. Becky: https://www.youtube.com/c/DrBecky
3Blue1Brown: https://www.youtube.com/c/3blue1brown
Physics Videos by Eugene Khutoryansky: https://www.youtube.com/user/EugeneKhutoryansky
Electronics:
Usagi Electric: https://www.youtube.com/c/Nakazoto
James Sharman: https://www.youtube.com/c/weirdboyjim
FriendlyWire: https://www.youtube.com/c/FriendlyWire
She really has a knack for taking what are some really advanced topics and explaining them clearly.
It's a sign of a great communicator when you feel like you've learned and understood something immediately after being told it.
Physics/Math:
Physics Girl: https://www.youtube.com/c/physicsgirl
Dr. Becky: https://www.youtube.com/c/DrBecky
3Blue1Brown: https://www.youtube.com/c/3blue1brown
Physics Videos by Eugene Khutoryansky: https://www.youtube.com/user/EugeneKhutoryansky
Electronics:
Usagi Electric: https://www.youtube.com/c/Nakazoto
James Sharman: https://www.youtube.com/c/weirdboyjim
FriendlyWire: https://www.youtube.com/c/FriendlyWire