如图所示,在探究并联电路中的电流关系时,小明同学用电流表测出

如图所示,在探究并联电路中的电流关系时,小明同学用电流表测出ABC三处的电流分别为IA=0.4AIB=0.2AIC=0.2A,在表格中记录数据后,下一步应该做的是:

A.整理器材,结束实验;         

B.分析数据,得出结论;

C.换用不同规格的小灯泡,再测出几组电流值;

D.换用电流表的另一量程,再测出一组电流值.

答案

C

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