17 如圖所示之二極體電路,假設二極體導通電壓 VD0 = 0.7 V。已知電壓 vs (t) = 12 sin (120 πt)V、R = 10 kΩ、
C = 47 μF。試求電容 C 的充電頻率為何? 
(A)30 Hz
(B)60 Hz
(C)90 Hz
(D)120 Hz

(A)30 Hz
(B)60 Hz
(C)90 Hz
(D)120 Hz
答案:登入後查看
統計: A(19), B(245), C(6), D(17), E(0) #841415
統計: A(19), B(245), C(6), D(17), E(0) #841415