Vasiliy Polkin
Высший разум
(454064)
19 часов назад
1)
R = R1 + R2 = 5 + 2 = 7 Ом
U = I * R = 10 * 7 = 70 B
U1 = I * R1 = 10 * 5 = 50 B
U2 = I * R2 = 10 * 2 = 20 B
2)
R = R1 * R2 / (R1 + R2) = 2 * 4 / (2 + 4) = 8 / 6 = 1,33 Ом
U = I * R = 10 * 1,33 = 13,3 B
I1 = U / R1 = 13,3 / 2 = 6,65 A
I2 = U / R2 = 13,3 / 4 = 3,35 A