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1. 兩電壓v1(t)= 8cos(20πt +13°)V及v2(t)= 4sin(20πt + 45°)V,則兩電壓之相位差為多少度?(A) 58 (B) 45 (C) 32 (D) 13
問題詳情
1. 兩電壓v1(t)= 8cos(20πt +13°)V及v2(t)= 4sin(20πt + 45°)V,則兩電壓之相位差為多少度?
(A) 58
(B) 45
(C) 32
(D) 13
參考答案
答案:A
難度:簡單0.717822
統計:A(145),B(9),C(44),D(0),E(0)
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