阿摩線上測驗
1.交流電壓 v(t)= v1(t)+ v2(t)，若 v1(t)= 10
sin(377t +30°)V，v2(t)= 10
sin(377t–30°)V，則 v(t)為何？
(A)v(t)=2.25sin(377t)V
(B) v(t)=14.4sin(377t)V
(C) v(t)=24.49sin(377t)V
(D) v(t)=17.3sin(377t)V
答案：登入後查看
統計： A(0), B(34), C(92), D(20), E(0) #1639869
統計： A(0), B(34), C(92), D(20), E(0) #1639869
