【判断题】【消耗次数：1】
异步电动机工作于电动机状态时，转子绕组中的电流是高于定子电流的频率的交流。
①
正确
②
错误
参考答案：
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相关题目
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A．由于无外部电源给转子供电，故无电流
②
B．由于有外部电源给转子供电，故有电流
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正确
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错误
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