A.1.33,0.172,0.272;
B.0.333,0.172,0.272
C.0.333,0.687,1087
D.1.33,0.687,1.087
A.22.7
B.240.69
C.241.76
D.11.5
开始考试点击查看答案A.50%
B.70%
C.116.70%
D.100%
开始考试点击查看答案A.N=700
B.810
C.619
D.923
开始考试点击查看答案A.当电流为正弦波的全时遍的尖顶漫
B.当磁通为正弦波时,电流为平顶波
C.当磁通为正弦波时,电流为关顶波
D.当电流为正弦波时,主磁通为正弦波
开始考试点击查看答案额定电压运行下,输出的功率增大时,变压器一次侧的电流()。
A.增大
B.不变
C.减小
D.无法判断
开始考试点击查看答案A.0.02012
B.0.04298
C.0.03798
D.0.06036
开始考试点击查看答案A.-0.07%
B.-1.4%
C.2.3%
D.4.6%
开始考试点击查看答案A.-0.07%
B.-1.4%
C.2.3%
D.4.6%
开始考试点击查看答案A.50%
B.70%
C.116.70%
D.100%
开始考试点击查看答案A.22.7
B.240.69
C.241.76
D.11.5
开始考试点击查看答案长理培训客户端 资讯,试题,视频一手掌握
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