38 如下圖,假設電源頻率均為 15.92Hz,試求跨接於電感的電壓V2。
(A) 36.28∠-56.48˚V
(B) 75∠60˚V
(C) 71.55∠288.43˚V
(D) 65∠58.40˚V
答案:登入後查看
統計: A(63), B(36), C(141), D(27), E(0) #1069760
統計: A(63), B(36), C(141), D(27), E(0) #1069760
詳解 (共 4 筆)
#2298417
-jXc=1/(2*3.14*15.92*2.5*0.001)=-j4;
jXL=2*3.14*15.92*20*0.001=j2;
(32角45度-V2)/-j4=(V2/j2)+2Ix -----------(1);
又Ix=32角45度/4=8角45度帶入(1)式;
則V2可得
3
0
#1235031
此題如何解?
3
2