The power factor is a measure of the phase difference between voltage and current and is expressed as the（） of the phase angle.<br>A:sine<br>B:cosine<br>C:tangent<br>D:cotangent

The power factor is a measure of the phase difference between voltage and current and is expressed as the（） of the phase angle.
A:sine
B:cosine
C:tangent
D:cotangent

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10244552】个 (题库试题定时更新)