Ответ:
Объяснение:
R1 = 12 Ом
R2 = 29 Ом
U1 = 28 B
U2 = 29 B
r = ?
E = I1*(R1+r) = U1 + (U1*r / R1)
E = I2*(R2+r) = U2 + (U2*r / R2)
U1 + (U1*r / R1) = U2 + (U2*r / R2)
28 + (28*r / 12) = 29 + 29*r / 29
28+ (14*r / 6) = 29 + r
29-28 = r*4/3
r = 3/4 = 0.75 Ом
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Ответ:
Объяснение:
R1 = 12 Ом
R2 = 29 Ом
U1 = 28 B
U2 = 29 B
r = ?
E = I1*(R1+r) = U1 + (U1*r / R1)
E = I2*(R2+r) = U2 + (U2*r / R2)
U1 + (U1*r / R1) = U2 + (U2*r / R2)
28 + (28*r / 12) = 29 + 29*r / 29
28+ (14*r / 6) = 29 + r
29-28 = r*4/3
r = 3/4 = 0.75 Ом