Кпд=(Q1-Q2)*100%/Q1=(1000-230)*100%/1000=77%
F1*l1=F2*l2
l2=F1*l1/F2
l2=200H*16м/25H
l2=128 см=1,28 м
W=3kt/2
w=3*1.38*10^-23*-273/2
w=565.11^10-23
565.11-100%
X-20%
X=113,022
W1+W2=W3
678,132*10^-23=3*1.38*10^-23*T/2
1356,264*10^-23=2,07*10^-23*T
655,2=T
t=382,2
работа A=P*t= UI*t= U*(It)=UQ=120*50=6000 Дж = 6 кДж