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Ответ

Ответ дан
alex080297

Ответ:

Объяснение:

Rобщее=(R1*R2)/(R1+R2)=(40*60)/(40+60)=2400/100=24 Ом

I=U/Rобщее=220/24=9,167 А

Ответ

Проверено экспертом

Ответ дан
Regent1828

Дано: R₁ = 40 Ом; R₂ = 60 Ом; U = 220В.

Найти: R - ?; I - ?

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R = R₁R₂/(R₁+R₂) = 60 · 40 : 100 = 24 (Ом)

I = U/R = 220 : 24 = 9,17 (А)

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