A=6 кДж=6000 Дж
t=10 мин =600 с
I=2 A
A=P*t=U*I*t ⇒ U=A/(I*t)=6000/(2*600)= 5 B
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A=6 кДж=6000 Дж
t=10 мин =600 с
I=2 A
A=P*t=U*I*t ⇒ U=A/(I*t)=6000/(2*600)= 5 B