一交流电压随时间变化的规律如图所示,该交流电压的有效值和周期分别是()A.14.14V,0.0lsB.l0V,0.0lsC.14.14V,0.02sD.l0V,0.02s-物理

题目简介

一交流电压随时间变化的规律如图所示,该交流电压的有效值和周期分别是()A.14.14V,0.0lsB.l0V,0.0lsC.14.14V,0.02sD.l0V,0.02s-物理

题目详情

一交流电压随时间变化的规律如图所示,该交流电压的有效值和周期分别是(  )
A.14.14V,0.0lsB.l0V,0.0ls
C.14.14V,0.02sD.l0V,0.02s
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题型:单选题难度:偏易来源:不详

答案

D

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