Ответ:
A=Q=cm(t2-t1)=4200(Дж/кг*c)*2кг*75с=630кДж
P=A/t=630000Дж/600с=1050Вт
I=P/U=1050/220=4,8А
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Ответ:
A=Q=cm(t2-t1)=4200(Дж/кг*c)*2кг*75с=630кДж
P=A/t=630000Дж/600с=1050Вт
I=P/U=1050/220=4,8А