Объяснение:
1. I=q/t=365/(1.87*60) =3.25A
2. U=A/q=5890/21.3=276.5 V
3. R=U/I=189/9.81=19.3 Om
4. R=ro*l/S, gde ro-udelnaya soprotivleniya
dlya jeleza ro=9.8 * 10^(-8)om m
S=ro*l/R=9.8 * 10^(-8)*7.63/1.85=40.4 * 10^(-8) m^2=0.4 mm^2
5. q= I/t=0.748/(24.36*60)=0.51*10^(-3) Kulon