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问题详情

With a purely resistance load the voltage and current are in phase, giving a power factor of （）.

A、one

B、less than one

C、more than one

D、negative one

时间：2022-01-05 07:22 关键词：船舶电气与船舶安全水路交通运输技能考试海船船员考试

答案解析

A

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