检测内容：17.317.4,解：,实验次数,1,2,3,4,5,电压,U,/V,2.5,2.0,1.5,1.0,0.5,电流,I,/A,0.22,0.19,0.16,0.10,解：,R,1,的相应电压值和电流值,右端,(,或,B,端,),短路,测出分别将,R,2,、,R,3,、,R,2,与,R,3,串联或,R,2,与,R,3,并联后接入电路时，,实验,数据,电压,U/,V,电流,I/,A,电阻,R,1,/,1,0.75,0.12,6.25,2,1.10,0.18,6.11,3,0.55,0.09,6.11,4,1.30,0.21,6.19,6.17,