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【单选题】
三相交流电机采用星形接法时,线电压与相电压的关系是( )。
A.
U线=U相
B.
U线≈1.732U相
C.
U相≈1.732U线
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参考答案:
举一反三
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A.
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B.
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C.
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D.
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A.
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B.
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A.
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B.
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C.
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D.
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