11. 如下圖所示之電路, = 1000, Is 為理想電流源, β = 99,熱電壓(thermal voltage) = 26mV,歐力電壓(Early voltage) VA =∞。若 Rout = 3Ω,則Is值為何? (A)4mA (B)7mA (C)9mA (D)13mA
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= 1000, Is 為理想電流源, β = 99,熱電壓(thermal voltage) 
= 26mV,歐力電壓(Early voltage) VA =∞。若 Rout = 3Ω,則Is值為何?
