91-戴维南定理及其应用+IR(a)NSU+-abIIs=INSU+-(b)abab(c)U =UocNSI =0+-替代原理替代原理叠加原理叠加原理I =IU=ReqIN0Req(d)ab+-Is=IIR+_ER0U-(e)ab+U=Uoc-ReqIU=E-R0I=Uoc=ReqR3+E1R2I2I3R1I1E2+E2+(R2+R1)I-E1=020+(4+4)I-40=0I=2.5A22121RRRRReq，所以A2A1323033RRUIeqoc课程实践：课程实践：EWB仿真软件来验证例仿真软件来验证例1的正确性。的正确性。EWB链接链接+-15V12.5 abI-0.2Uoc0.2UocI-U/100.2U+I-U/10Req=Uoc/Isc111NSIsc+_1UocReqIscUoc+-3 8A2 6 6VRLab+-IL3 IL=1.5A
