Why voltage across resistor equals voltage across battery?
14:39
Why resistors in series have different voltage (but same current)?
31:45
How circuits REALLY work!
17:53
I never understood why a moving charge produces a magnetic field... until now!
28:23
Resistências explicadas
21:58
I never understood why light has ENERGY but NO MASS... until now!
16:00
Why is the speed of light 299,792,458 m/s? (and not 300,000 km/s)
15:59
I never understood why electrons have spin... until now!
20:18