[单选题]

某三相电路的三个线电流分别为iA=18sin(314t+23°)A,iB=18sin(314t-97°)A,iC=18sin(314t+143°)A,当t=10s时,这三个电流之和为()A。

A . 18

B . 18/

C . 0

D . 18

参考答案与解析:

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