R=16 I=0.3 Q=432 Дж t=?
Q=I²*R*t t=Q/(I²*R)=432/(0.09*16)=300 c (5 мин)
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R=16 I=0.3 Q=432 Дж t=?
Q=I²*R*t t=Q/(I²*R)=432/(0.09*16)=300 c (5 мин)
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