38 試求電流Io為何?
(A)5.06∠18.43° A
(B)7.18∠20.31° A
(C)2.43∠30° A
(D)4.83∠28.45° A

(A)5.06∠18.43° A
(B)7.18∠20.31° A
(C)2.43∠30° A
(D)4.83∠28.45° A
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統計: A(360), B(178), C(209), D(85), E(0) #843169
統計: A(360), B(178), C(209), D(85), E(0) #843169
詳解 (共 10 筆)
#1133515

用密爾門定理
It=(24/2)-4+(8/-j2)=8+j8
Rt=2//-j1//j2//2=1/5(4-j2)
V=It*Rt=16/5(3+j1)
所以I0=(V-0)/2=8/5(3+j1)=5.06tan-1(1/3)
11
1
#1129349
求高手詳解
1
1