【单选题】
判断题电流流过人体的路径,左手至脚对人体的伤害程度最大。___
A. 对
B. 错
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A
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【单选题】
判断题变压器并列运行,一般允许阻抗电压有±%的差值,若差值大,可能阻抗电压大的变压器承受负荷偏高,阻抗电压小的变压器承受负荷偏低,从而影响变压器的经济运行。___
A. 对
B. 错
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