n=(A/N+t)*100% A=3600кДж=3,6*10^6 N=2кВт=2*10^3 t=3,6*10^3 n= (3,6*10^6/(2*10^3+3,6*10^3)*100%=0.64*100%=64% КПД=64% Вроде так.
n=(A/N+t)*100% A=3600кДж=3,6*10^6 N=2кВт=2*10^3 t=3,6*10^3 n= (3,6*10^6/(2*10^3+3,6*10^3)*100%=0.64*100%=64% КПД=64% Вроде так.