题目内容：
异步电动机空载电流比同容量变压器大的原因是A.异步电动机的输出机械功率大
B.?异步电动机的电磁功率大
C.异步电动机有气隙
D.以上都不对
参考答案：
选择题：异步电动机空载电流比同容量变压器大的原因是A.异步电动机的输出机械功率大B.?异步电动机的电磁功率大
- 题目分类：河南理工大学—电机与电力拖动
- 题目类型：选择题
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A.异步电动机的输出机械功率大
B.?异步电动机的电磁功率大
C.异步电动机有气隙
D.以上都不对
A.异步电动机的输出机械功率大
B.?异步电动机的电磁功率大
C.异步电动机有气隙
D.以上都不对
什么是步进电动机？
什么是步进电动机？
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