题目

如图所示,l1、l2是高压输电线,图中两电表的示数分别是220V、10A.已知甲变压器原、副线圈的匝数比为100:1,乙变压器原、副线圈的匝数比为1:10,则(                  )                                                                                                                                                     A.  甲的电表是电压表,输电电压为22000 V     B.  甲是电流互感器,输电电流是100 A     C.  乙是电流互感器,输电电流是100 A     D.  乙的电表是电压表,输电电压为22000 V                                                                                                                                         答案:AC
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