R=100 Ом
P=625 Вт
I=?
P=U*I, U=I*R ⇒ P=I²*R ⇒I=√(P/R)=√(625/100)=√6,25=2,5 A
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R=100 Ом
P=625 Вт
I=?
P=U*I, U=I*R ⇒ P=I²*R ⇒I=√(P/R)=√(625/100)=√6,25=2,5 A