中考物理电学部分复习资料及试题

12(1)(2)(3)(4)O15V(5)34567P8161P()2()626V2VL1V112VkVmV26V3+315O3VO15V2V4()ABC+D5()ABCD664(a)64(b)R1R2()A48V12VB6V12VC12V6VD1.2V48V765LABLL866SL1L2()AL1L2BL1L2CL1L2DL1L29SS?67L1()10()ABCDl168(1)(2)()16102611L1L2ACB()12IUR3RR=UI456IU/R7171Rl5R215(1)S1S202AV(2)S1S209AR3A(1)S1S2R1R2R==R1R2==5+15==20UIR02A204V(2)S1S2R1R3R2R1R34VR1I=U/R1=08AI=I1+I3R3I3=I-I1=09A-08A=01A2(S0)R0SRx(1)72(2)(3)RxR0UxU0==RxR0U0UxRxR0UxU0RxU0UxUU0UxUU0Ux(1)73(2)S0SUxS0SUS0S(3)3(1)(2)74()(3)(4)(1)75(2)(3)(4)1URIR1R2(R1R2)R1()R226V05A12V3764125()60008A7R1_R23581O04A12V977L1L2abc()abc1078UPb()AA1A2BA1A2CA1A2DA1A21179SP6V05A72V03AR0nV12710S8VL116L2121325V711(1)(AB)(2)114712l57134VRl10R2030Pab16714R2=R3=20,S1S20.4A4V1R123S1S217715Pa3V0.6APb5V0.5A18716RR()1(1)(2)2717?()121kWhJ34(1)220V(2)10(20)A10AA(3)50Hz(4)600revskWh5W6PIU78P91OQl11216min18h16minW=0.12kW0.1h=0.012kWh1.2R16OR2=7515W3WA3U1minQ3QQ=I2RtQU2t/RQ=I2RtU3min3QQU2t/RU1min3QQU2t/RU1min3Q4220V(1)(2)(3)(1)81(3)13W1kWh02410h(30)26V3W6V6WVW312V6W0.4A()A6WB6WC6WD41kWh220V25Wh5220V10A1500W1()(1)?(2)?(3)?682SLSL()AcBbCD75()?88338V1O1O1A(006AOO3A)(O3VO15V)(1)(2)AB.CD(3)015V4V84W985R?86R(1)86(2)(3)?10()87A()S4O5O6O45W72W9OW36VR1R2R3(1)S1?R1?(2)S3?(3)S21220V11W220V6OW(1)(2)?(3)2()()1234567(1)(2)(3)89101112131()ABCDDB291()AcNaBcNaCdNbDdNbNcNdSbabB3()ABC.DB492()ASabBSabCSabDSab92SSab|ababD12393AB41831594SP(ab)()695(1)S43(2)S2()7()ABCD8()ABCD996N()ABCD10()ABCDl197NS12N98139914()S910NS+15911()(1)(2)16ABC912abcd4(1)(2)A(3)B(4)dC1750100913SP(1)(2)123(3)1891419()()1915()AAB.BCCDD2916(12)1234cmscf5()6X7891011101(1)(2)?()101(1)(2)ABAB(1)(2)1ms23()ABCD4?5100MHzm67()ABCD8()ABCD