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A1.4.1A1.4.2C1.4.3C1.4.4B1.5.1B1.5.2B1.6.1B1.6.2B1.8.1B1.9.1B1.9.2B1.9.3B1.11.1(A)1.12.1(B)1.12.3(B)1.12.4(B)1.12.5(B)B1.4.512123453-560-540+600+320+180*w=01.4.6380/(2110/8+R)=8/110R3.7KWR=8/11023.7K20W1.4.7R=U/I=6/50*310=120a.1.4.8220/R1+315=0.35AR1314.220/R2+315=0.7AR20.1.4.9(1)R2I1=E/(0R+2Re+1R)=220/0.2+0.2+1021.2A.R2I2=E/(0R+2Re+1R2R)50A.(2)R2U2=R1*I1=212V,U1=(2Re+1R)*I1=216V.R2U2=(1R2R)*I1=200V,U1=2Re+1R2R=210V.(3)R2P=212*21.2=4.5KW.R2P=200*50=10KW.1.5.3I3=I1+I2=0.31AI4=I5-I3=9.61-0.31=9.3AI6=I2+I4=9.6A.1.6.3SabR=5R1R+3R2R+4R=200.1.6.4aU=1U=16V,bU=[(45+5)5.5]+4516/[(45+5)5.5]5.5+451.6.cU=45+55.5bU/RbU/10=0.16VdRcU/10=0.016V.1.6.52U=R1+RP1U/R1+RP+R28.41V.2U=R2*1U/R1+RP+R25.64V.5.64-8.14.1.6.61.7.1IL=I1+I2E2-RO2*I2+RO1*I1-E1=0RL*IL+RO2*I2-E2=0I1=I2=20A,IL=40A1.8.2R1U1A5212111R)//R(RRUI43211'1ISAR545.0112*1)//(RRRRIS32144''1A56III''1'11,A53I*0.5I131.9.4KCL1A1-2I-II12340V2*1020IRUU20V,1*20IRU22123111A:20W1*20IUP1112A:-80W2*-40I-UP222R1:20W1*20IRP2231R1R2:40W2*10IRP2222R21.9.5(1//1)1121I1,53I3A1.9.61A21122-8I1.9.7Euab=E/4=1/412=3Vuab=uab-uab=10-3=7V1.10.11IUoc=41010=30VReq=4I=30/(4+1)=6A1.10.2ARUIRVUOCOC124682eqeq1.10.321,IIARUIRVIIUAIAIIIIIOCOC510050410205512014101501020eqeq212121211.10.41I114228102471028224)43(1212221IRRRIRUUAIIIAIAIIUIRIRREQOC1.10.5aU1=E1=4VbI1=2E1/2R1=4/R1=1A=R1=4I=4/4+1=4/5A1.11.4VAVBVAVAVCVB1.12.91.uc(0+)=uc(0-)=10v1-72,uc(--)=0,t=RC=10msUc(t)=10exp(-100t)V(0=t=)Uc(t)=10exp(-1)v=3.68v2.Uc(t+)=uc(t-)=3.68vUc(--)=10,t=10/3msUc(t)=10-6.32exp(-300(t-0.01))vUc(2*10E-2s)=10-6.32exp(-3)v=9.68v3.Uc(0.02+)=uc(0.02-)=9.68vuc(--)=0t=10msuc(t)=9.68exp(-100(t-0.02))1.12.10i(0+)=i(0-)=-6/5AI(--)=6/5AT=i/R=9/5sI(t)=6/5-12/5exp(-5/9t)Ai(t)=9/5-8/5exp(-5/9t)A1.11.2VXUASVXUA212209.23128.51220209.3324S1.11.37/100'''7200)3//2(2)50(3//2''v50.27100)3//2(1503//2'v50.1VAVAVARRRXRRVARRRXRRVA1.12.6ai(0+)=i(0-)=0,i()=3Abi(0+)=i(0-)=0,i()=1.5Aci(0+)=i(0-)=6A,i()=0di(0+)=i(0-)=1.5A,i()=1A1.12.7:uc(0+)=uc(0-)=R3I=60VUc()=0=RC=[(R2//R3)+R1]C=10mSUc(t)=60e-100ti1(t)=Uc(t)/(R1+(R2//R3))=12e-100tmA1.12.8:uc(0+)=uc(0-)=54VUc()=18v=RC=4mSUc(t)=36e-250t+181.9.9:(1)IU1:I=U1/(R1+R)=5AIS:I=R1/(R1+R)IS=1AI=6A(2)KCL:IR1=IS-I=-4AIR3=U1/R3=2AIU1=IR3-IR1=6AUIS=RI+R2IS=10V(3)PU1=60WPIS=20WPR3=20WPR1=16WPR2=8WPR=36PU1+PIS=PR1+PR2+PR3+PR=80WA2.1.122.2.122.2.212.3.112.3.232.4.122.4.232.4.322.4.412.5.1242.5.212.7.112.8.132.8.222.8.332.8.43B2.2.3U=220V,,U=220V=V2.2.4V2.4.5(1)220V(2)U=220v2.4.6=j2fLU=380V,I=30mA2.2.2=L=40(H)2.4.72.4.8I===27.7(mA)=2.4.9W=wL=314*1.65=518.1I===0.367(A)2.4.10Z=w=P=Q=w2.4.11*=0.588(v)2.5.3(a)(b)(C)(d)(e)2.5.4(1)(2)32.5.5,I2==11AI=I1+I2=11P=UIcos2.5.6i1=22i2=A2I2=159uAA1I1=11UIR=10(L=31.8mHI=I1+I2=11A112.5.7(a)Zab=(b)Zab=2.5.8(a)I==1+j1(b)I=2.5.9(A)Us=(-j5)*I=5-j*5(b)Us=5*Is+(3+4j)*I=130+j*752.5.10==0.707U=(2+j2)*I+Uc=j2+12.5.11Ubc=10==UR=RI=5j=5Zab=R+j2.6.1f===480Khz535KHz==1.84Mhz1605KHz4801840KHZ5351605KHZ2.6.21R=2.6.3Z=R+jX=10|Z|*I=UzX=Z=10A9.1.139.2.129.2.229.3.119.3.219.4.119.4.229.4.339.4.429.4.519.4.639.4.72B9.2.3Ui5DUo=UiUi5DUo=5v.9.2.4aUiEDUo=E=5vUiEDUo=UibUiEDUo=UiUiEDUo=E=5vcUiEDUo=5vUiEDUo=UidUiEDUo=E=5vUiEDUo=Ui9.2.5aUi0DUo=UiUi0DUo=0bUi0DUo=oUi0DUo=Ui9.2.61UA=UB=0DADBVy=0IDb=IDb=(1/2)IR=1.5mAIR=12/R=3mA2UA=3vUB=0DADBVy=0IDB=IR=12/R=3mAIDA=03UA=UB=3vDADBUY=3vIR=12-3/R=2.25mAIDB=IDA=1/2IR=1.125mA9.2.71Ua=6vUb=0DADBVy=10v*9k/1k+9k=9vIDb=0IDA=10v/1k+9k=1mA2Ua=6vUb=5.8vDADBVy=5.8v/1k+9k*9k=5.22vIR=5.22/9k=0.58mAIDB=0.58mAIDA=6-5.22/1k=0.78mA3Ua=Ub=5vDADBVy=5*9k/9k+1k=4.5vIR=4.5/9k=0.5mAIDA=IDB=0.5mA9.3.3123321R1DzR2EVa=R2/(R1+R2)*E=20*1100/(900+1100)=11vVZ,DZVa=10vIR=20-10/900=11.1mAIR2=10/1100=9mA,IZ=IR1-IR2=2.1mAIZIZM=8mAIZIZMR19.3.4ab1233215.5DZRUiUo=0.5v1234R28.5DZD5.5vR1UiUo=3vc234R8.5v5.5vUoUid234R8.5v5.5vUo=9vUie234R8.5v5.5vUo=14vUi9.4.8I123NPNIIPNP1239.4.9abc9.4.10aIB=6-0.6/50k=130uAIBS=12-0.2/1k*50=240uAIBSIBSbIB=12-0.6/47k=240uAIBS=12-0.2/1.5k*40=200uAIBSIBScUBE09.5.1Ub=0Ub=5vR2R1C9.28D1,D2UO1=4vD3D4UO=-2v543R2R1D3D4D1D2Uo110vUo-10v4v0-2v9.4.111SBC6v9013KAKAELSBCR90139013C9013KAEL29013IC=0.36w/6v=60mAIB=6-0.6/5k=1.12mA2003IB=60mA/200=0.3mAVC=0.3mA*5k+0.6v=2.1v4D90139.4.1211A11.2.1311.2.2211.2.3311.2.4311.2.5211.3.1211.3.2311.4.1211.5.11B11.3.3Auf=-Rf/R1=-500/10=-50R2=R1//Rf=10*500/(10+500)=9.8K?Ui=10mVUo=Auf*Ui=-50*10=-500mV1.3.6UO1=-Rf/R1*UiUO2=-(R/R)*UO1=--R/R*Rf/R1*Ui=Rf/R1*UiUo=UO2-UO1=Rf/R1*Ui-Rf/R1*Ui=2Rf/R1*Ui11.3.723OPAMPR11RfR12R2UoUi1Ui2i+=i-=0U+=U-=0i1=Ui1/R11i2=Ui1/Ui2If=-Uo/Rfi1+i2=ifUo=Rf/R11*Ui1+Rf/R12Ui2=Ui1+Ui2Ui1Ui2Uo234432-33t11.3.8UO1=Ui=2VUo=Rf/R1*UO1=2R1/R1*-2=4V11.3.9321OPAMPOPAMP1k1k9101.1k10kRf5k2kUi2Ui3Ui1UoI1I2I3IfUo1=10/1*Ui1=-10Ui1KCLi1+i2+i3=ifUo1/10+Ui2/5+Ui3/2=Uo/10Uo=10Ui12Ui25Ui311.3.10Uo1=1+R1/K/R1Ui1=1+1/KUi1Uo=1+KR2/R1Ui2KR2/R2*Uo1=1+KUi2K1+1/KUi1=1+KUi2Ui111.3.11U+=R3/R2+R3Ui2U-=U+=R3/R2+R3Ui2Ui1U-/R1=U-Uo/RiUo=1+Rf/R1U_Rf/R1*Ui1=1+Rf/R1*R3/R2+R3Ui2Rf/R1*Ui1=1+20/4*20/4+20*120/4*1.5=2.5V11.3.12i1=if,U+=U-=0i1=Ui/R1iF=dUo/dtUi=R1*Cf*dUo/dtUo=1/R1*CfUidt+Ui0Uo0=0Ui=-1VUo=-Ui/R1*Cf*tt=-Uo*R1*Cf/Ui=0.1St=10t=1SCf*R1=-Ui/Uo*t=0.1sR1=1