Ответ:
Объяснение: Q=U^2*t/R=U^2*S*t/p*L Q=pc*L*S*c*dt U^2*t=p*L^2*pc*c*dt dt=U^2*t/p*L^2*pc*c=400*60/12*10^-8*100*7800*460=557 C
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Ответ:
Объяснение: Q=U^2*t/R=U^2*S*t/p*L Q=pc*L*S*c*dt U^2*t=p*L^2*pc*c*dt dt=U^2*t/p*L^2*pc*c=400*60/12*10^-8*100*7800*460=557 C