交流电路中只有一个纯电容元件,它的无功功率是( )。 -题库考试答案搜索网

交流电路中只有一个纯电容元件,它的无功功率是( )。

单选题

2021-07-18 00:09

A、I2R
B、U2/R
D、U2/XC

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正确答案

D

试题解析

标签：医学影像学专升本电子学基础电子学基础作业2

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