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anjarajkovic29pfay0s
@anjarajkovic29pfay0s
December 2021
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Электрическая цепь.
Упр. 15 зад. 1,2,4,5,6 и 7 (20 балл)
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eugenesparrow
1)200мА=0,002А
420мкА=0,42*10^(-3)А
0,034кА=34А
2)240мВ=0,24В
3,40кВ=3400В
780мкВ=0,78*10^(-3)
4)I=q/t
I=6Kл:1,5c= 4А
5)q=I*t
t=15min=900sec
q=2,5*900=2250Кл=2,25кКл
6)A=q*U=220*400=88000=88kДж
7)q=A/U=2400/12=200Kл
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Answers & Comments
420мкА=0,42*10^(-3)А
0,034кА=34А
2)240мВ=0,24В
3,40кВ=3400В
780мкВ=0,78*10^(-3)
4)I=q/t
I=6Kл:1,5c= 4А
5)q=I*t
t=15min=900sec
q=2,5*900=2250Кл=2,25кКл
6)A=q*U=220*400=88000=88kДж
7)q=A/U=2400/12=200Kл