Odpowiedzi

2010-02-20T09:50:15+01:00
Dane:
n₁ = 1200
n₂ = 300
U₁ = 15 V
Rozw.:
U₁ / U₂ = n₁/ n₂
U₁ × n₂ = U₂ × n₁
U₂ = U₁ × n₂ / n₁ = 220 V × 300 / 1200 = 55V
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