Ответ:
Объяснение:
r12 = r34 = R1+R2 = 1+20 = 21 Ом
r1234 = r12/2 = 21/2 = 10.5 Ом
R8 = R9
r89= R8 / 2 = 1 / 2 = 0.5 Ом
r56 = R5*R6 / (R5+R6) = 1*20 / (1+20) == 0.95 Ом
r 567 = r56+R7 = 0.95+1 = 1.95 Ом
r56789 = r567*r89 / (r567+r89) = 1.95*0.5 / (1.95+0.5) ==0.4 Ом
R = r1234+r56789 = 10.5 + 0.4 = 10.9 Ом
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Ответ:
Объяснение:
r12 = r34 = R1+R2 = 1+20 = 21 Ом
r1234 = r12/2 = 21/2 = 10.5 Ом
R8 = R9
r89= R8 / 2 = 1 / 2 = 0.5 Ом
r56 = R5*R6 / (R5+R6) = 1*20 / (1+20) == 0.95 Ом
r 567 = r56+R7 = 0.95+1 = 1.95 Ом
r56789 = r567*r89 / (r567+r89) = 1.95*0.5 / (1.95+0.5) ==0.4 Ом
R = r1234+r56789 = 10.5 + 0.4 = 10.9 Ом