题目:100Ω电阻两端电压u=1002sin(wt+30°)V则电阻中电流为
2019-01-20
A.i=2sin(wt+30°) B.i=2sin(wt-60°) C.i=sin(wt+30°) D.i=2sin(wt+120°)
正确答案:C
试题解析:略