Dane:
I = 0,3 A
U = 4,5 V
U₁ = 9 V
Rozw.:
R = U/I
R = 4,5 V / 0,3 A = 15 Ω
I = U₁/R
I = 9 V / 15 Ω = 0,6 A
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Dane:
I = 0,3 A
U = 4,5 V
U₁ = 9 V
Rozw.:
R = U/I
R = 4,5 V / 0,3 A = 15 Ω
I = U₁/R
I = 9 V / 15 Ω = 0,6 A