21 如圖所示之電路,A 點電壓為何?
(A)4.5 V
(B)6 V
(C)7.5 V
(D)9 V
答案:登入後查看
統計: A(11), B(55), C(571), D(13), E(0) #1204432
統計: A(11), B(55), C(571), D(13), E(0) #1204432
詳解 (共 3 筆)
#2949978
密爾門定理
(2+1+2) /(1/6+1/6+1/3 )
=5/(4/6)
=5*6/4
=30/4
=7.5
0
0