电阻习题1&清华大学827电路考研辅导Q联1531985067.ppt

电阻电路****题课(一)一个方向:参考方向;二个变换:电阻的Y–变换、电源的等效变换;三个定律:欧姆定律、KCL、KVL;四个元件:电阻、电压源、电流源、受控源;其它:电阻的串并联、分压、分流、功率的计算。U= ______I= _______, Uab= ______, Ucd= ______Uab= _________ Ia= ______, Ib= ______, Ic= 10V 10V -30V0V 0A -+-Is3A2I4 4 41 40V12V8Va bc d2 22 24 1二、 10IaIbIc1010U3A2 44 24 423 1 AI 443 2 AIII VIIU 21 U3A2 44 4I1I2IU3A2 44 4?I1I2Ib1 2。1 22 440V12V2 28Vac dI U4U3U2U1U7U6U5AI 104 112222128VUVUVUVUUVUU0 7, 6, 5, 43, 21VUUUUab 462 462 SS 3 3SSURURIRU ××0 SSSab UUUUUbI10 10cIaI3I2I1IAI 110/)55(3 AIIIa AIIIb 012AIIIc R= _______ , Us= _______Pis发= ______ , Pus发= ______Rab = ________. I1 = _______0WR/6 8. 电路如下图所示。当k=2时,求 I1= ?+_7Aab6A2A6V+_10 4V1+_2A 2RRRRRRab2 3I2+__I1 3A 6+ U1kU1I2 2ba5。6A2A6V+_10 ab66V10ab6V60V10 12V6、4V1 22A2A0A2VW1262 ifPW004 ufP