Odpowiedź:
R = 0,5 Ω
I = 20 mA = 0,02 A
-----------------------------
U ?
U = I*R = 0,02A * 0,5Ω = 0,01 V
U = 0,01 V = 10 mV
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Odpowiedź:
R = 0,5 Ω
I = 20 mA = 0,02 A
-----------------------------
U ?
U = I*R = 0,02A * 0,5Ω = 0,01 V
U = 0,01 V = 10 mV