Ответ:
1/Rfe = 1/10+1/12 = 11/60
(Rfe ≈ 5.45)
1/Rcd = 1/4 +1/(6+8+60/11) = 1/4 + 11/(66+88+60) = 1/4 + 11/214 ≈ 0.3
Rcd ≈ 3,33
R = 2 + Rcd ≈ 5.33
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Ответ:
1/Rfe = 1/10+1/12 = 11/60
(Rfe ≈ 5.45)
1/Rcd = 1/4 +1/(6+8+60/11) = 1/4 + 11/(66+88+60) = 1/4 + 11/214 ≈ 0.3
Rcd ≈ 3,33
R = 2 + Rcd ≈ 5.33