t=60 c L=1 м S=0.55 мм2 I=2 A po=1.1 Q=?
Q=I²*R*t R=po*L/S
Q=I²*po*L*t/S=2²*1.1*1*60/0.55=480 Дж
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t=60 c L=1 м S=0.55 мм2 I=2 A po=1.1 Q=?
Q=I²*R*t R=po*L/S
Q=I²*po*L*t/S=2²*1.1*1*60/0.55=480 Дж
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