1、恒定电流图1I/A0U/Vcabd图5abcdp图2I/A0U/VI/A0U/VI/A0U/VI/A0U/V图7V2R1R2V1图3U（伏）0.81.01.21.4I（安）1.00.80.60.4C图9BIA电源R1r图10RxAR2R1R2图4R3m图8图7VAcab图1U图3R0RUR2UR3R1C1S图7C2图4e rR0L1L2Rdcab图2L1L20.80 0.2 0.4 0.6 0.8 1.0 1.2I/A图8U/V2.01.81.41.61.21.0R1R2re图11APA R BK图6RMVKL1L2L3图4RPBA图9V2V140图1145350U图5AVS直流电源图9VOC
2、ABmIU012图3图10VARxP20图1315VbK1K2LaPR图16测电源电功势及内电阻的电路图VAbaP图63035040VAS实验电路图e图8R1rR2R3SVU/V1.0图61.50.500.51.01.52.0I/AVe图4R1R2K1K2AaQ图9bPdce21SrR1R2A图7R1R2SABP图2R输出信号图17敏感元件R1re图15RxAR2图120 0.4 0.8 1.2I/AU/V3.02.51.52.01.00.5AB图8CDUIab0图2AV图6RRRba图8-1Uc图8-2RL1L2abcd15545100图8-50图8-6Rx甲VARx乙VAR图14-2RRU图14-9R2R1SrebaU图15-3R1R2R3U/V1.0图14-81.50.50 1.0 2.0I/A图8-3RR0PABUURxVA图8-7图15-9甲AV乙AVVFEDCAB图10 rS图1RrR1R2S图3rS图4LrImax(I，U)图2OUIBAVA金属丝图9R2R3R1C图5R4A图8-8RRRVe P图8-4Re rR0L1L2R1R2K图10A1A2R3R1S图7R2U/VI/A0图11R1E图5R2AV1V2图8-5015510
