Задача Задача №486399
А
А
R = U / I
R1 = U1 / I1 = 2.5 / 2.5 = 1
R2 = U2 / I2 = 7.5 / 2.5 = 3
R3 = U3 / I3 = 6.25 / 2.5 = 2.5
R4 = U4 / I4 = 12.5 / 2.5 = 5
R = (R1 + R2 + R3 + R4) / 4
R = (1 + 3 + 2.5 + 5) / 4 = 3.125
R = U / I
R1 = U1 / I1 = 2.5 / 2.5 = 1
R2 = U2 / I2 = 7.5 / 2.5 = 3
R3 = U3 / I3 = 6.25 / 2.5 = 2.5
R4 = U4 / I4 = 12.5 / 2.5 = 5
R = (R1 + R2 + R3 + R4) / 4
R = (1 + 3 + 2.5 + 5) / 4 = 3.125
