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[主观题]
已知一正弦电压的幅值为310V,频率为50Hz,初相为(1)写出此正弦电压的时间函数表达式;(2)计算t=0
已知一正弦电压的幅值为310V,频率为50Hz,初相为(1)写出此正弦电压的时间函数表达式;(2)计算t=0
已知一正弦电压的幅值为310V,频率为50Hz,初相为
(1)写出此正弦电压的时间函数表达式;
(2)计算t=0,0.0025s,0.0075s,0.0100s,0.0125s,0.0175s的电压瞬时值;
(3)绘出波形图.
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)