Odpowiedź3.
żarówka
U = 6 V
I = 150 mA = 0,15 A
-----------------
R = ?
R = U/I = 6V/0,15A = 40 Ω
R = 40 Ω
silnik
U = 9 V
I = 200 mA = 0,2 A
-----------------
R = ?
R = U/I =9V/0,2A = 45 Ω
R = 45 Ω
rezystor
U = 5 V
I = 0,3 A
-----------------
R = ?
R = U/I = 5V/0,3A ≈16,67 Ω
R = 16,67 Ω
