问题描述:
50HZ的交流电其周期T和角频率ω各为{选择
A 0.02S ,314rad / s
B 50S,3.14rad / s
C 0.02S,3.14rad / s
D 50S ,314rad / s
A 0.02S ,314rad / s
B 50S,3.14rad / s
C 0.02S,3.14rad / s
D 50S ,314rad / s
问题解答:
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