14. 兩個電壓時間函數 v1(t) 與 v2(t),若 v1(t) 的相位超前 v2(t) 為,則下列何者正確?(統測 112)
(A) v1(t) = 20sin(314 t–30°)V、v2(t) = 20cos(314 t –60°)V
(B) v1(t) = 20cos (314 t–60°)V、v2(t) = 20sin(314 t –30°)V
(C) v1(t) = 20sin (314 t–30°)V、v2(t) = 20sin(314 t –60°)V
(D) v1(t) = 20cos (314 t–30°)V、v2(t) = 20sin(314 t –60°)V

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統計: A(0), B(2), C(0), D(0), E(0) #3561695

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#7125956
題目解析 題目中提到有兩個電壓時間函數...
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