Odpowiedź:
Rz = R1 + R2 = 360[Ω] + 40 [Ω] = 400 [Ω]
I = U/Rz = 200V/400[Ω] = 0,5 A
U2 = I*R2 = 0,5A * 40 [Ω] = 20 V
U2 = 20 V
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Odpowiedź:
Rz = R1 + R2 = 360[Ω] + 40 [Ω] = 400 [Ω]
I = U/Rz = 200V/400[Ω] = 0,5 A
U2 = I*R2 = 0,5A * 40 [Ω] = 20 V
U2 = 20 V
Wyjaśnienie: