Знайти загальний опір ділянки кола ...
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18.05.2020 23:50
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Объяснение:
эквиваленты сопротивлений
r123 = R1+R2+R3 = 2+2+2 = 6 Ом
r45= R4+R5 = 2+2 = 4 Ома
Общее сопротивление
R=r123*r45 / (r123+r45) = 6*4 / (6+4) = 2.4 Ома
Ток
I=U/R = 24/2.4 = 10 Ампер