某同学做测量小灯泡电功率的实验时.刚一试触就�现电流表的指针迅速�动到最大刻度.�生这种情况的原因可能是 A.电流表的正负接线柱接反了 Template




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tomski某同学做测量小灯泡电功率的实验时.刚一试触就�现电流表的指针迅速�动到最大刻度.�生这种情况的原因可能是 a.电流表的正负接线柱接反了 coloring