36 如圖所示之電路，若 A=5 V，B=C=D=0 V，則下列何者最正確？ (A)IE1 =0 mA(B)IE3 =0.239 mA(C)IE5 =1.72 mA(D)VY =5 V

問題詳情

36 如圖所示之電路，若 A=5 V，B=C=D=0 V，則下列何者最正確？

(A)IE1 =0 mA
(B)IE3 =0.239 mA
(C)IE5 =1.72 mA
(D)VY =5 V

答案：C
難度：適中0.448276
統計：A(2),B(8),C(13),D(3),E(0)

【祈雨】評論

這題怎麼算?

【svcopcc】評論

IE1=0.239mAB/C off = IE3=0A = VR18k=0V = IE5 = 1.72mA =VY=0.7V

【lexmvrk】評論

不懂