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dzalbovit
@dzalbovit
July 2022
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помогите№!!!!!!!!!!!!!№№№№№№
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Verified answer
R1=2 Ом U1 = 6В
R2=4 Ом U2 = 8В
U1=(ЭДС/(r+R1))*R1
U2=(ЭДС/(r+R2))*R2
*********
r=R1*(ЭДС/U1-1)
r=R2*(ЭДС/U2-1)
*********
R1*(ЭДС-U1)*U2=R2*(ЭДС-U2)*U1
R1*ЭДС*U2-R1*U1*U2=R2*ЭДС*U1-R2*U2*U1
ЭДС*(R1*U2-R2*U1)=(R1-R2)*U1*U2
ЭДС=(R1-R2)*U1*U2/(R1*U2-R2*U1)=(2-4)*6*8/(2*8-4*6) В = 12 В
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Answers & Comments
Verified answer
R1=2 Ом U1 = 6ВR2=4 Ом U2 = 8В
U1=(ЭДС/(r+R1))*R1
U2=(ЭДС/(r+R2))*R2
*********
r=R1*(ЭДС/U1-1)
r=R2*(ЭДС/U2-1)
*********
R1*(ЭДС-U1)*U2=R2*(ЭДС-U2)*U1
R1*ЭДС*U2-R1*U1*U2=R2*ЭДС*U1-R2*U2*U1
ЭДС*(R1*U2-R2*U1)=(R1-R2)*U1*U2
ЭДС=(R1-R2)*U1*U2/(R1*U2-R2*U1)=(2-4)*6*8/(2*8-4*6) В = 12 В