1 如圖所示之電路, va = 100 sin ωt V , vb = 100 sin(ωt − 120°) V , vc = 100 sin(ωt − 240°) V ,求其平均輸出電壓為何?
(A)82.7 V
(B)92.7 V
(C)102.7 V
(D)112.7 V
.
(A)82.7 V
(B)92.7 V
(C)102.7 V
(D)112.7 V
.
答案:登入後查看
統計: A(36), B(26), C(13), D(4), E(0) #1204372
統計: A(36), B(26), C(13), D(4), E(0) #1204372
詳解 (共 4 筆)
#5507340
100*3^0.5*3/2*3.14=82.74V
2
0
#1309155
請教如何解?
0
0