ThenumberofcyclespersecondoccurringinACvoltageisknownasthe()
A. phaseangle
B. frequency
C. waveform
D. halfmode
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下面哪些是会议文书()
A. 日程安排表
B. 开幕词
C. 代表提案
D. 主题报告
E. 选举结果
F. 群众来信
Voltagewillalwaysleadcurrentina/an()
A. capacitivecircuit
B. inductivecircuit
C. magneticcircuit
D. resistivecircuit
YouareattemptingtoparalleltwoACgeneratorsandthesynchroscopepointerisrevolvingintheslowdirectionThisindicatesthatthefrequencyoftheincomingmachineis().
A. higherthanthebusfrequency
B. lowerthanthebusfreouencv
C. thesameasthebusfrequencybutoutofphasewithit
D. thesameasthebusfrequency,andthecircuitbreakermaybeclosedatanypointerposition
信访工作的基本原则是()
A. 事实
B. 党的政策
C. 法律
D. 民心