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diman3104
@diman3104
July 2022
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U=220 B применяем законы параллельного соединения;
r₁=3 Ом 1/r=1/r₁+1/r₂+1/r₃+1/r₄;
r₂=4 Ом 1/r=1/3+1/4+1/2+1/8=(8+6+12+3)/24=29/24;
r₃=2 Ом r=24/29=0,83 Ом;
r₄=8 Ом I=U/r=220/0,83=266,1 A.
________ Ответ: r=0,83; I=266,1 A.
r-? I-?
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Answers & Comments
r₁=3 Ом 1/r=1/r₁+1/r₂+1/r₃+1/r₄;
r₂=4 Ом 1/r=1/3+1/4+1/2+1/8=(8+6+12+3)/24=29/24;
r₃=2 Ом r=24/29=0,83 Ом;
r₄=8 Ом I=U/r=220/0,83=266,1 A.
________ Ответ: r=0,83; I=266,1 A.
r-? I-?