问题详情

三相电源星形联结时,线电压有效值是相电压有效值的( )。


A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15901184653787dbbc1defcee4c088233b04b48d37cd9image3.png"style="width:24px;height:24px;"/>倍

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15901184654320d64257b992c4533b083e9f7275f1079image2.png"style="width:25px;height:22px;"/>倍

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15901184654856b234e194b47411a81619945f54067faimage4.png"style="width:26px;height:44px;"/>倍

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15901184655592040ba7e013f41baa1e7e2b4117ea8b2image5.png"style="width:28px;height:44px;"/>倍

时间:2021-07-18 00:09 关键词: 医学影像学 专升本 电子学基础 电子学基础作业2

答案解析

A