如图所示，在“探究并联电路中电流的规律”时，小雨同学用电压表测出A点、B点、C点的电流分别为IA=0.2A，IB=0.2A，IC=0.4A，在表格中记录数据后，下一步应该做的是

题干

如图所示，在“探究并联电路中电流的规律”时，小雨同学用电压表测出A点、B点、C点的电流分别为I_A=0.2A，I_B=0.2A，I_C=0.4A，在表格中记录数据后，下一步应该做的是（　　）

A：整理器材，分析数据，得出结论

B：对换L₁和L₂的位置，再测出一组电流值

C：改变电源电压，再测出几组电流值

D：换用不同规格的小灯泡，再测出几组电流值

上一题下一题 0.0难度选择题更新时间:2014-07-17 04:45:21

答案(点此获取答案解析）

D

同类题3

Mr. Smith is my new friend. He1from Paris, France. He is a French2of a middle school. His students all like3very much. He can speak some Chinese,4not much. He wants to learn more, so he goes to5 classes every week. He likes living and working6China very much. He7 the Chinese people are very friendly(友好的). He has two8, Maria and Tom. They are students, but they go to different(不同的)9. They have some pen pals and they often write10 the pen pals. They also have many Chinese friends at school and they play games after class.

题干

答案(点此获取答案解析）

同类题1

同类题2

同类题3

同类题4

同类题5