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        1. Ӣҽ̾W(wng) > > }ĿԔ
          豻r(sh)(hu)׃СDʾԴ늄(dng)(sh)E(ni)rйR1r(sh)Ll(f)⣮(dng)oR1Д_ǣ

          Aͨ^R1׃С
          BR1ɶ˵늉׃
          CԴɶ˵늉׃
          DĵĹ׃
          𰸡(j)ԣoR1׃ɚWķД׃_늉׃Դɶ˵늉늄(dng)(sh)c(ni)늉֮(j)׃Դɶ늉׃͟Ĺʵ׃

          A}豻r(sh)(hu)׃С(dng)oR1󣬸(j)]·Wķɵ֪ͨ^R1׃A_
          BR1ɶ˵늉U1=E-IRL+rI׃СU1󣮹Be(cu)`
          CԴɶ˵늉SԴɶ˵늉׃󣮹C_
          Dݵ費׃׃СĵĹ׃De(cu)`
          xAC
          c(din)u(png)ǿ׃}ஔ(dng)ڄ(dng)B(ti)}cwP(gun)ϵP(gun)IA(ch)}
          (x)(c)ϵд
          P(gun)(x)}

          Ŀ Դ x

          Ӣҽ̾W(wng)IijСM̽ɵďԄ(sh)c׃֮gP(gun)ϵDʾČ(sh)(yn)bãpɷˮƽ܉ϣA˹̶܉һBɣ߅ҒһNȡһ(g)СڏɵBСʹɉsֺС򱻏ƽ\(yn)(dng)ԓbÿԴ̽ɉsr(sh)еďԄ(sh)cs֮gP(gun)ϵ(sh)(yn)õɉsxСx_ˮƽλsһЩ(sh)(j)±ʾ
          Δ(sh) l 2 3 4
          x/cm 2.00 3.00 4O0 5.00
          s/cm 10.15 15.13 20.16 25.14
          ԓ(sh)(yn)ڜy(c)ɵďԄ(sh)ܕr(sh)õķ
           
          
          A׃BgӜy(c)C۷ey(c)  Dȷ
          ڷ늵Ĕ(sh)(j)ɵýY(ji)Փǣ
          A`Sķ(ni)(du)ڽoď䏗Ԅ(sh)c䉺sıP(gun)ϵǣ
           

          B(dng)sxԽr(sh)P(gun)ϵ`ҲԽԭǣ
           

          IIֵ̽SՏ(qing)׃Ҏ(gu)һͬW(xu)Ҫy(c)ڲͬ(qing)ȵŵֵԓͬW(xu)ʹõČ(sh)(yn)£
          ARֵ20
          B늉Ӣҽ̾W(wng)4.5V(ni)s2k
          CӢҽ̾W(wng)0.6A(ni)0.1
          D(dng)׃Rֵ020
          EԴE늄(dng)(sh)4.5V(ni)δ֪
          F(bio)С4.5V0.2AСһֻ
          GIKһֻ(do)
          ԓͬW(xu)ⲿh(hun)Ĺ⾀(du)ӰڹϵĹ⾀ȫСݣ(sh)(yn)r(sh)_Bӌ(sh)(yn)·ʹСcgһxͨ^{(dio)(ji)(dng)׃քe_y(c)ݲ΢^ķNlµĹֵ(sh)(yn)(sh)(j)£
          С 늉U/V I/A ֵR/ȡ3λЧ(sh)֣
          4.40 0
          ΢ 4.32 0.11 39.2
          ^ 4.24 0.21
          4.10 0.40
          aıͬȟµĹֵ
          bķЮԓͬW(xu)ԓ(sh)(yn)·D·DM(jn)Ќ(sh)B
          Ӣҽ̾W(wng)

          鿴𰸺ͽ>>

          Ŀ Դ x

          ڢx}31֣

          һ(xing)x}}5С}ÿС}3Ӌ(j)15֣ÿС}ֻһ(g)x(xing)}⣮

          1. P(gun)ڿƌW(xu)ҺؕI(xin)f_[Դ:Www..com]

          AȰl(f)F(xin)ĴЧ(yng)

          B٤J(rn)w\(yn)(dng)ٶSλƾ׃\(yn)(dng)

          CţDl(f)F(xin)fӋ(j)̫cgĴС

          D늈(chng)^c(din)f̎늈(chng)늺ܵ늈(chng)o

          2DһN(dng)ʽ؈(bo)ԭDDR1R2R3R4鶨ֵ裮(dng)R1R2κһ⾀ړr(sh)(hu)⏰l(f)•tD̓(ni)·

          AcT                  BT               CT                  DcT

           


          3DʾĽ·У׃ԭȦݔ늉U1ݔ빦ʞP1ݔʞP2늱늱(dng)(dng)׃RĻ(dng)^Ƅ(dng)r(sh)

          AL׃                                    B(g)늱x(sh)׃

          C?yn)?i>U1׃P1׃                              DP1׃ʼKP1= P2

          4Qֱƽ(ni)⻬A܉(c)һСijһˮƽٶv0Ac(din)l(f)؈A܉\(yn)(dng)Bc(din)r(sh)Óx܉KˮƽϵCc(din)Ӌ(j)՚fв_

          ABc(din)r(sh)С?q)A܉ĉ

          BBC^̣С׃\(yn)(dng)

          CAc(din)r(sh)С?q)A܉

          DAB^̣СˮƽļٶӺpС

          5DʾˮƽϷ|(zh)Mбб픶˰b⻬Ķ݆(x)K^݆քeB|(zh)m1m2Km1б\(yn)(dng)бoֹ?fn)B(ti)f_

          Am2\(yn)(dng)tбܵˮƽĦ

          Bm1б¼\(yn)(dng)tбܵˮƽҵĦ

          Cm1б\(yn)(dng)tбܵˮƽ֧ڣm1+ m2+Mg

          Dm2\(yn)(dng)tpKһm2g

          (xing)x}}4С}ÿС}4Ӌ(j)16֣ÿС}ж(g)x(xing)}⣮ȫx(du)ĵ4x(du)ȫĵ2e(cu)x򲻴ĵ0֣

          6ľ̫ϵǣбl(wi)ǣ^y(c)ľ@̫A\(yn)(dng)İ돽r1 ڞT1ľǵijһl(wi)@ľA\(yn)(dng)İ돽r2 ڞT2֪fGt(j)}нol

          Aľǵ|(zh)

          Bľcl(wi)gf

          C̫cľgf

          DԔඨ

          7DʾxOy(bio)ƽQֱ(ni)xSˮƽySQֱڈDʾg(ni)дֱxOyƽˮƽ(qing)ň(chng)һСOc(din)oֹጷ\(yn)(dng)܉EDP(gun)ڎС\(yn)(dng)f_

          AOAB܉EA

          BС\(yn)(dng)c(din)Ar(sh)ٶˮƽ

          CС(g)\(yn)(dng)^ЙC(j)еغ

          DСAc(din)r(sh)ܵ傐ƝcС

          8Dʾ|(zh)ML(zhng)Lľڹ⻬ˮƽһ|(zh)mĻKľKcľg(dng)ĦСfˮƽĺ㶨FڻK(dng)K\(yn)(dng)ľҶ˕r(sh)ľڵƄ(dng)ľxsKٶȞv1ľٶȞv2нY(ji)Փ_

          A^FС

          Bl׃rFԽK_(d)ҶÕr(sh)gԽL(zhng)

          Cl׃r£MԽsԽС

          Dl׃rfԽKcľga(chn)ğԽ

          9Dʾɂ(g)̶ͬ(x)h(hun)һľxͬSO1O2քeɭh(hun)ĈAģɭh(hun)քeоֲĵN늺ɣһ늵ӏĺh(yun)̎Sw^ɭh(hun)tڎ\(yn)(dng)^

          AO1c(din)Ӽٶȷ

          BO1O2^늄(sh)һֱ

          CSO1c(din)҂(c)һc(din)ԓc(din)(dng)С

          DSO1c(din)҂(c)O2c(din)(c)ڈ(chng)(qing)c(din)P(gun)O1O2Bc(din)(du)Q

           


          ڢx}89֣

          (jin)}}ֱ}lO11})x}(12})ɲ֣Ӌ(j)42֣Ո(qng)ڴ}(yng)λã

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          10y(c)ľKcL(zhng)ľ֮gĄ(dng)Ħ(sh)r(sh)DʾbãDL(zhng)ľˮƽ̶

          1(sh)(yn)^늻Ӌ(j)r(sh)(yng)    xֱ򡰽Դϣ{(dio)݆߶ʹ   

          2֪ٶȞgy(c)ľK|(zh)MaPaĿ|(zh)mľKļٶȞatľKcL(zhng)ľg(dng)Ħ(sh)=   

          3DľKˮƽľώ(dng)\(yn)(dng)һlһ0123456Ӌ(j)(sh)c(din)Ӌ(j)(sh)c(din)g߀4(g)c(din)δļϜy(c)x1=3.20cmx2=4.52cmx5=8.42cmx6=9.70cmtľKٶȴСa=    m/s2(λЧ(sh))

           


          11˜y(c)ij늳ص늄(dng)(sh) Es3V̓(ni) rɹx£

          AG12mA  100             BG21mA  (ni)δ֪

          CR10~999.9                      DR20~9999

          E(dng)׃R30~10  1A         F(dng)׃R40~1000  10mA

          R0800  0.1A               Hy(c)늳

          I(do)I

          1Dʾ·y(c)G2ă(ni)裬õG1ʾ(sh)I1G2ʾ(sh)I2±ʾ

          I1mA

          0.40

          0.81

          1.20

          1.59

          2.00

          I2mA

          0.20

          0.40

          0.60

          0.80

          1.00

           


          (j)y(c)(sh)(j)Ո(qng)?jin)ڈD(bio)c(din)I1I2DɈDõG2ă(ni)

             

          2ڬF(xin)ĵėly(c)ԓ늳늄(dng)(sh)̓(ni)Dʾ·Dл(dng)׃ّ(yng)ԓxýo    x    Ĵ̖(ho)

          3(j)Dʾ·Ո(qng)?jin)ڶDùP挧(do)Ɍ(sh)·Bӣ

           


          12x}(Ո(qng)ABCС}xС}ڴ}ϰx}Ŀ(du)(yng)ĸķͿMͿڣ綼𣬄tABС}u(png)֣)

          A(xģK3-3)(12)

          1f_   

          AҺwӷgxҺw(ni)gxҺwڏ

          B?dng)Uɢ\(yn)(dng)Dz\(yn)(dng)

          Cܳ(hu)ճһ𣬛]д_Ď׺ΠǷǾw

          D(du)κһcF(xin)P(gun)ĺ^Ȼ^M(jn)зfW(xu)ڶɵı

          21mlļӵ500mlľƾܽõιȡ1mlƾҺ׌Ȼγ200ΣF(xin)׌һ䵽ʢˮĜ\P(ni)Ĥչ_y(c)Ĥe200cm2tӵĴС    mһλЧ(sh)֣

          3Dʾһֱһ|(zh)mĻ]һwMeS׃(ni)ڹ⻬Ҹױnj(do)ģ_ʼ̶_̶˨K(jng)^L(zhng)r(sh)g󣬻ͣBc(din)֪AB=h≺(qing)p0ٶȞg

          ͣBc(din)r(sh)׃(ni)]wĉ(qing)

          O(sh)܇h(hun)ضȱֲ׃(g)^ͨ^ױڂfğQһwă(ni)܃HɜضțQ

          B(xģK3-4)(12)

          1f_   

          AC(j)zӰC(j)R^Ϳ͸Ĥ˹ĸԭ

          BړγɵӰ݆ģǹF(xin)

          C̫ꖹƫ

          DЧذl(f)늴Ų(yng)ԓL(zhng)l(f)

          2҃վڵϕr(sh)߶L0, ҷքeٶȞ0.6c0.8cc٣wͬ\(yn)(dng)Dʾ˕r(sh)^쵽׵L    L0ғ]֣(dng)r(sh)gt0^쵽ׄ(dng)r(sh)gt1tt1    t0x> = <

          3x=0|(zh)c(din)t=0r(sh)_ʼ(dng)a(chn)IJxSt1=0.14sr(sh)̲ĈDDʾ|(zh)c(din)A_ʼ(dng)

          ڽ|(zh)еĂٶ

          x=4m|(zh)c(din)0.14s(ni)\(yn)(dng)·̣

             C(xģK3-5)(12)

          1f_   

          ADЧ(yng)M(jn)һC(sh)˹IJ(dng)

          B˽ጺwݗҎ(gu)ɣʿ늴ݗӻ

          C(jng)W(xu)ܽԭӵķ(wn)ԺԭӹVķ

          DȻԪ˥׃ĿcW(xu)B(ti)P(gun)

          2Dz(wn)԰l(f)İl(f)˥׃

          ˥׃(yng)     

          ˥׃?yu)?img width=40 height=25 src="http://thumb.zyjl.cn/pic1/1899/wl/3/40403.gif" >(jng)^    ˥׃    ˥׃

          31919RɪZ˰l(f)F(xin)|(zh)ӣƌW(xu)о˷(yng)^ǣZoֹĵ˺γ˲(wn)ď(f)ˣ(f)˰l(f)˥׃ų|(zh)׃ˣO(sh)|(zh)m1ٶȞv0|(zh)m2|(zh)|(zh)m0, ˵|(zh)m3](du)ՓЧ(yng)

          Zγɲ(wn)(f)˵˲g(f)˵ٶȞ

          ^ጷŵĺܣ

          Ӌ(j)}}3С}Ӌ(j)47֣r(sh)Ո(qng)ҪfʽҪ㲽Eֻ𰸵IJܵ÷֣Д(sh)ֵӋ(j)}б_(sh)ֵ͆λ

          13Dʾһ|(zh)mĚü(x)K˩ڵϿL(fng)ˮƽҺv0oֹr(sh)KcˮƽAǞijr(sh)KͻȻwߣ֪?d)ڿ՚\(yn)(dng)r(sh)ܵf(du)՚ٶvԱʾf=kvk֪ij(sh)t

          1ܵĸ

          2K˲gٶȞ

          3һΕr(sh)gڿֱ\(yn)(dng)ˮƽϵٶcL(fng)v0˕r(sh)ٶȴO(sh)՚ܶȲl(f)׃ٶȞg

           


          14Dʾ⻬^ˮƽϷһ?q)wƳɵξabcd|(zh)mR߅L(zhng)LһQֱµнň(chng)ň(chng)ĴŸБ(yng)(qing)ȞBň(chng)^(q)ȴL߅cab߅ƽУˮƽҵ´ֱ߅羀^ň(chng)^(q)

          vٴ^ň(chng)^(q)󾀿x_ň(chng)r(sh)abc(din)g늄(sh)

          2oֹ_ʼԺ㶨ļٶa\(yn)(dng)(jng)^t1r(sh)gab߅_ʼM(jn)ň(chng)cd߅ҪM(jn)ň(chng)r(sh)̻·늹

          3Գٶv0M(jn)ň(chng)ĹʺP0(jng)^r(sh)gTcd߅M(jn)ň(chng)^л·a(chn)늟Qab߅ň(chng)r(sh)ٶҲv0󾀿^ň(chng)õĕr(sh)gt

                

          15Dʾн(qing)ň(chng)ĴŸБ(yng)(qing)ȞBֱMN߅ň(chng)зһ돽RĈAνوAͲAOMNľxOO1=2RAͲScň(chng)ƽУAͲÌ(do)ͨ^һ(g)r0ӵوAͲ늣F(xin)зƽٶv0ĺh(yun)̎شֱ߅MNň(chng)^(q)֪|(zh)me

          1ӳٶȝMtAͲϛ]Ў늕r(sh)܉򵽈AͲϵӌ(du)(yng)MN߅O1ɂ(c)ķǶ

          2(dng)AͲ_(d)(du)(wn)r(sh)y(c)õͨ^r0I\(yn)(dng)g໥˕r(sh)وAͲ늄(sh)ӵ_(d)AͲr(sh)ٶvȡoFh(yun)̎늄(sh)㣩

          3ڣ2rوAͲİl(f)Ṧʣ

           


          鿴𰸺ͽ>>

          ͬ(x)(c)