Q1=c1U1
Q2=c2U2
Q=Q1+Q2
c=c1+c2
U=Q/c = (Q1+Q2 ) / (c1+c2) = (c1U1+c2U2) / (c1+c2) = (1*20+2*50 ) / (1+2) =40 B
ответ 40 В
Q1=c1U1
Q2=c2U2
Q=Q1+Q2
c=c1+c2
U=Q/c = (Q1+Q2 ) / (c1+c2) = (c1U1+c2U2) / (c1+c2) = (1*20+2*50 ) / (1+2) =40 B
ответ 40 В