Q=I^2*R*t
I=U/R
I=220/60=3,7 (A)
Q=3,7*3,7*60*3 600= 2 957 040 (Дж)
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Q=I^2*R*t
I=U/R
I=220/60=3,7 (A)
Q=3,7*3,7*60*3 600= 2 957 040 (Дж)