晶闸管触发电路中,若改变的大小,则输出脉冲产生相位移动,达到移相控制的目的。()
A.同步电压
B.控制电压
C.脉冲变压器变比
D.电流
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/1211744.html
上一篇:百度贴吧属于____的社区。()
下一篇:Toys are playthings. The (16) of the word "toy" is uncertain. It may have come from Old English , meaning "tool" . Modern dictionaries focus on smallness. Just as a toy terrier is a dog that has been bred down to a small size, so most toys are miniat