普通物理實(shí)驗(yàn)各實(shí)驗(yàn)數(shù)據(jù)幾乎全部都有哦

1、實(shí)驗(yàn)中數(shù)據(jù)處理期末考試題從以下實(shí)驗(yàn)的數(shù)據(jù)中，每人選做一個(gè)實(shí)驗(yàn)。在認(rèn)真閱讀所寫(xiě)部分的實(shí)驗(yàn)教材后，寫(xiě)出一份高質(zhì)量的實(shí)驗(yàn)報(bào)告。實(shí)驗(yàn)報(bào)告要按普通物理實(shí)驗(yàn)課本上的內(nèi)容要求來(lái)寫(xiě)，要求實(shí)驗(yàn)報(bào)告用計(jì)算機(jī)處理數(shù)據(jù)后，寫(xiě)成電子版（寫(xiě)上姓名）的發(fā)我郵箱。紙質(zhì)的實(shí)驗(yàn)報(bào)告按試題格式用A4紙打印后，請(qǐng)于2013年6月10日前推舉的負(fù)責(zé)同學(xué)按實(shí)驗(yàn)類別歸類統(tǒng)一處收齊上課時(shí)交。（實(shí)驗(yàn)報(bào)告要求：重點(diǎn)突出數(shù)據(jù)處理內(nèi)容，避免原理及操作內(nèi)容太多）實(shí)驗(yàn)一、單擺的研究1、用游標(biāo)卡尺測(cè)出擺球的半徑r = d / 2零點(diǎn)讀數(shù)：0.000cm 最小分度值：0.002cmd (cm)1.9021.9001.9021.8921.9001.8922、

2、用米尺測(cè)出擺線的長(zhǎng)度l (l =x1 - x2+d/2) x1 (cm)0.100.100.100.100.100.10x2 (cm)107.40107.41107.39107.38107.41107.43l (cm)3、用秒表測(cè)單擺擺動(dòng)50個(gè)周期的時(shí)間t零點(diǎn)讀數(shù)：0.00s 最小分度值：0.10st (s)104.00104.10103.75103.39104.25104.104、用米尺測(cè)出擺線的長(zhǎng)度l (擺長(zhǎng)L = l+d/2) ，用秒表測(cè)單擺擺動(dòng)50個(gè)周期的時(shí)間t不同線長(zhǎng)l(cm)50個(gè)周期時(shí)間123456100.00t1(S)100.40100.39100.38100.38100.42

3、100.3990.00t2(S)95.2395.2595.2295.2495.2395.2580.00t3(S)90.1090.0890.1190.1290.0990.1070.00t4(S)83.2483.2383.2683.2583.2283.2460.00t5(S)78.3878.4278.4078.4278.3878.4150.00t6(S)71.7071.6874.7271.7471.3771.40實(shí)驗(yàn)二、楊氏模量的測(cè)定（伸長(zhǎng)法）1在不同拉力時(shí)標(biāo)尺像的讀數(shù)yi以及金屬絲微小伸長(zhǎng)量變化的數(shù)據(jù)記錄表1 不同拉力時(shí)標(biāo)尺像的讀數(shù)yi以及金屬絲微小伸長(zhǎng)量變化的數(shù)據(jù)記錄拉力Fi (kg)拉力F改

4、變時(shí)標(biāo)尺像的讀數(shù)yi(cm)F增加F減少F增加F減少F增加F減少02.002.012.011.981.982.0212.502.492.492.502.502.4922.902.952.912.952.952.9533.403.403.393.393.383.3743.803.813.793.803.813.7954.284.264.224.234.254.2264.684.694.684.664.684.7875.115.125.125.515.125.1185.575.575.555.555.525.522光杠桿d1，d2和金屬絲的測(cè)量記錄 表2 螺旋測(cè)微計(jì)零點(diǎn)讀數(shù)為：0.012 mm 次

5、數(shù)123456d(cm)0.8100.7950.8070.8040.8030.801D1(cm)6.940.03D2(cm)169.450.05 l (cm)72.820.05實(shí)驗(yàn)三、楊氏模量的測(cè)定(梁彎曲法)材料一： 1.用螺旋測(cè)微計(jì)測(cè)a值： 零點(diǎn)讀數(shù)：0.001cm 最小分度值：0.001cm12345a (cm)0.23040.22830.22870.23010.2292 2.用游標(biāo)卡尺測(cè)量b值：零點(diǎn)讀數(shù)：0.000cm 最小分度值：0.002cm12345b (cm)1.5161.5121.5161.5181.514 3.用米尺測(cè)量l 值：最小分度值：0.01cm，l = 26.60c

6、m4.加法碼時(shí)xi 改變量如下表：加減加減imi (kg)xi (cm)xi (cm)xi (cm)xi (cm)007.41087.40738.63738.633010.27.37127.35678.59008.544020.47.31807.3-538.54458.539830.67.27577.25658.49708.491040.87.22577.20788.44988.448151.07.18187.16058.40448.4001材料二： 1.用螺旋測(cè)微計(jì)測(cè)a值： 零點(diǎn)讀數(shù)：0.001cm 最小分度值：0.001cm12345a (cm)0.18050.18050.18160.18

7、290.1832 2.用游標(biāo)卡尺測(cè)量b值：零點(diǎn)讀數(shù)：0.000cm 最小分度值：0.002cm12345b (cm)1.5081.5121.5041.5041.508 3.用米尺測(cè)量l 值：最小分度值：0.01cm，l = 26.60cm4.加法碼時(shí)xi 改變量如下表：加減加減imi (kg)xi (cm)xi (cm)xi (cm)xi(cm)007.28687.26008.46708.448010.27.13307.10108.32108.296820.46.98476.95708.17288.145830.66.83356.79408.02237.890040.86.68416.6397

8、7.86677.837351.06.52256.48347.71067.6808實(shí)驗(yàn)四、彈簧振子的研究 1.研究錐型彈簧的C值： m0 = (12.8900.010)g m= (3.7900.010)gnm (g)50 T (s)1m+159.8559.852 +263.3563.353 +366.5566.554 +469.5669.655 +572.7572.756 +675.4574.457 +778.1078.108 +880.9080.90 2.研究柱型彈簧的C值： m0 = (13.9340.010)g m= (3.7900.010)gnm (g)50T (s)1m+143.55

9、43.552 +245.65 45.853 +347.90 47.804 +449.55 49.505 +551.30 51.306 +653.20 53.007 +754.80 55.008 +856.75 56.70實(shí)驗(yàn)五、弦振動(dòng)的研究 1.弦的線密度：= (0.385 0.004) g/cm 2.觀察弦上的駐波： (1)讀出音叉頻率：= 102.8HZ (2)確定FT(或m)的取值：(取n = 1，l = 25cm ， = 0.38510-1 kg/m) (3)取m = m同 + m砝 = 4.7 + 5 = 9.7(g) 求改變l 使之分別為n = 1，2，3，4時(shí)的波長(zhǎng)：( = 0.

10、1cm)，數(shù)據(jù)如下：l1 (cm)l2 (cm)l3 (cm)l4 (cm)125.0026.2526.5626.00249.3550.0850.2550.38372.4572.6373.6474.08499.3099.05100.25100.42 3.弦上橫波道德波長(zhǎng)與張力的關(guān)系： (1)取n 2時(shí)，改變m 的值，測(cè)量l，數(shù)據(jù)如下表：m ( g ) l1 (cm)l2 (cm)l3 (cm)l4 (cm)18.367.6567.8568.1068.4528.384.4585.2585.5587.3538.3100.37101.35102.23103.2548.3109.15109.65109

11、.82110.3558.3117.25118.25118.45119.5568.3124.15123.56123.82124.5478.3138.47138.74139.38140.0588.3145.38146.48147.52148.65實(shí)驗(yàn)六、剛體轉(zhuǎn)動(dòng)的研究砝碼的下落高度h = 1.46m，空盒的質(zhì)量m0 = 8.72g，鋼環(huán)的質(zhì)量m1 = 1.40kg表1 繞線軸直徑Di (mm)50.2450.2650.2250.26表2 不同轉(zhuǎn)臺(tái)時(shí)不同砝碼的質(zhì)量下的下落時(shí)間mi（g）123456空轉(zhuǎn)臺(tái)28.724.804.794.844.784.834.8163.723.533.563.493.5

12、23.503.5078.723.193.183.193.163.153.18100.722.532.602.562.592.602.56鋼環(huán)78.7215.1015.0815.0615.0915.0515.0663.7210.8110.8410.8210.8710.8410.8778.729.609.569.609.579.579.58100.728.088.108.078.098.068.08實(shí)驗(yàn)七、傾斜氣墊導(dǎo)軌上滑動(dòng)塊運(yùn)動(dòng)的研究滑塊質(zhì)量m = 259.7g，擋光片寬度d = 1.497cm，兩光電門(mén)間距s =80.00cm表1 墊塊高度的記錄hi (cm)12345h10.9600.962

13、0.9640.9640.968h21.9121.9141.9101.9141.912h32.8802.8822.8802.8842.884h43.8403.8403.8423.8443.842h1+h44.8004.8024.8064.8084.810表2 擋光片的寬度12345d (cm)1.5001.4981.4981.5001.498表3 平軌上A、B門(mén)的時(shí)間及過(guò)B、A的時(shí)間tA (ms)tB (ms)tB (ms)tA (ms)1541556545570254055753957035335465405544540546539561表4 導(dǎo)軌墊高h(yuǎn)1 ，h2 ，h3 ，h4 ，h1+h4

14、時(shí)過(guò)A、B門(mén)的時(shí)間hit (0.1ms)12345h1tA523521522522519tB324324324322321h2tA375374374374375tB228228229229228h3tA307310320310319tB189190194190188h4tA277271280268274tB169164166164165h1+ h4tA248243246244240tB147148147147147實(shí)驗(yàn)八、滑塊運(yùn)動(dòng)運(yùn)動(dòng)學(xué)規(guī)律的研究實(shí)驗(yàn)?zāi)康模?、熟悉了解氣墊導(dǎo)軌的基本性能 2、研究位移和時(shí)間、速度和時(shí)間、加速度和時(shí)間的關(guān)系表1 在拉力F作用時(shí)，st的記錄砝碼加砝碼盤(pán)質(zhì)量：m =

15、6.4gis=30.00cms=40.00cms=50.00cms=60.00cms=70.00cms=80.00cmt(mS)1584.946719.545852.738978.2301098.8911211.9282583.788719.468854.094980.5361098.0801209.2713584.439724.114855.141978.8181097.5721208.7454584.293721.172852.966978.5321092.9541209.7585585.712722.290854.832979.8081089.6431208.8746582.136720

16、.780852.871981.1231091.1491208.380表2 加速度恒定時(shí)，vt的記錄擋光片的寬度d = (0.9400.002)cmis=30.00cms=40.00cms=50.00cms=60.00cms=70.00cms=80.00cmt(mS)122.02819.09217.10415.83314.85114.246222.22119.31617.07315.99914.98214.250322.39419.58317.46815.89814.90014.238422.36719.29817.32415.94014.88414.274522.43818.82717.395

17、15.97914.97914.284622.50818.74417.34615.95314.96914.227（s表示滑塊到光電門(mén)的距離，即靜止釋放的位置）表3 加速度和時(shí)間的關(guān)系記錄砝碼盤(pán)質(zhì)量m = 0.4g，d = (0.9400.002)cm,s = (50.000.05)cmi4g5g6g7g8g9gt1(mS)131.93629.45727.19125.76124.28023.098232.14229.43327.20025.67724.19323.184332.28329.39327.45525.80824.30423.157432.07629.38127.23225.76324.

18、37723.175532.03429.47327.44125.66624.31122.895632.05029.32127.23725.70724.19522.985t2(mS)114.69513.45712.50911.74011.08510.538214.72213.54012.51411.79011.07210.527314.74713.55312.55511.77711.13410.545414.75713.54112.52811.76211.15810.550514.76013.51812.56711.78611.11610.510614.75213.39512.53611.7641

19、1.06010.544實(shí)驗(yàn)九、滑塊運(yùn)動(dòng)動(dòng)力學(xué)規(guī)律的研究表1 m一定時(shí)F與a的相關(guān)量測(cè)量滑塊m砝= 127.9g，砝碼盤(pán)m盤(pán)= 3.5g，s = (59.000.05)cm，d = (1.0000.002)cm砝碼m(g)1234561tA1(mS)29.09829.57430.05132.74132.74131.353tB1(mS)13.90413.04014.08714.21814.21814.1693tA2(mS)25.61324.31725.81226.22324.85925.224tB2(mS)14.72713.87914.07214.39213.60914.1065tA3(mS)22

20、.48421.90722.26222.45522.84622.585tB3(mS)13.61213.25414.46413.41313.41313.4197tA4(mS)18.81622.12522.94425.32328.07024.600tB4(mS)12.81613.09113.27712.98714.94512.496表2 F一定時(shí)m與a的相關(guān)量測(cè)量砝碼盤(pán)m盤(pán)= 3.5g，砝碼9g，s = (59.000.05)cm，d = (1.0000.002)cm滑塊m(g)123456176.3tA1(mS)43.26651.80743.52247.36049.00648.230tB1(mS)

21、9.1079.1669.5099.1469.2419.246225.6tA2(mS)47.08246.30249.54448.10843.13446.087tB2(mS)10.58710.56410.59010.59110.52410.430274.4tA3(mS)92.96880.04698.38799.17894.82786.997tB3(mS)12.51812.89313.14513.16013.24113.191274.6tA4(mS)90.67692.41397.12087.99591.20883.084tB4(mS)12.47212.43912.58613.18413.32513.

22、042實(shí)驗(yàn)十、復(fù)擺振動(dòng)的研究1、對(duì)A端所測(cè)數(shù)據(jù)：SGA = 50.01cm，擺動(dòng)30次，復(fù)擺M = 2.198kgSi (cm)hi (m)t1 (s)t2 (s)t2 (s)4.100.459148.0248.0148.027.580.424347.7047.7547.7211.050.389647.0547.0047.0014.050.355146.4046.3546.4517.920.320946.1046.1046.2021.400.286146.2246.2046.2024.900.251146.0546.1046.0528.300.217146.9046.9046.8531.800

23、.182148.3848.2048.3035.300.147150.5550.7550.522、對(duì)B端所測(cè)數(shù)據(jù)：SGA = 50.00cm，擺動(dòng)30次，復(fù)擺M = 2.198kgSi (cm)hi (m)t1 (s)t2 (s)t2 (s)4.000.460048.3548.3048.327.500.425047.5547.4247.4510.950.390546.9546.9046.9214.400.356046.3046.3046.3217.850.321546.0046.0046.0021.300.287046.0046.0046.0024.800.252046.5046.4046.45

24、28.250.217546.4546.5546.5031.720.182848.2548.2548.2535.200.148050.7051.0050.80實(shí)驗(yàn)十一、自由落體運(yùn)動(dòng)當(dāng)h0 = 20.00cm，即v0 0對(duì)四個(gè)不同小球下落時(shí)測(cè)量數(shù)據(jù)hi (cm)1號(hào)小球體2號(hào)小球體3號(hào)小球體ti (ms)ti (ms)ti (ms)110.00279.12279.26279.31280.47280.57280.49280.90280.95280.88100.00256.45256.65256.24257.75257.80257.91258.74258.73258.6990.00233.31233.

25、23233.31234.68234.63234.71235.02234.96234.9180.00208.50208.45208.46209.76209.76209.75210.09210.08210.1070.00181.94181.97181.96183.09183.08184.10183.43183.44183.4760.00153.42153.52154.46154.49154.53154.52154.73154.74154.75實(shí)驗(yàn)十二、液體表面張力系數(shù)的測(cè)定 1.用游標(biāo)卡尺測(cè)量細(xì)絲ab 的長(zhǎng)度l及直徑 d：= 0.02mml = 4.000(cm)， d = 0.298mm 2.用

26、求彈簧的勁度系數(shù)：加減imi (g)li (cm)li (cm)11.001.001.0021.501.581.5832.002.082.1042.502.642.6653.003.183.1963.503.723.72 3.用拉脫法測(cè)表面張力系數(shù)：= 0.01cm，水溫 = 22.0C，12345678L0 (cm)3.653.703.653.703.653.703.653.70L (cm)5.004.924.954.904.914.904.914.90H = L - L0 (cm)L0, (cm)2.582.552.552.562.602.502.562.55L, (cm)3.083.02

27、3.023.003.203.103.302.96H = L,-L, (cm) 4.用拉平法測(cè)表面張力系數(shù)：= 0.01cm，水溫 = 22.0C，12345678L0 (cm)4.204.184.284.124.154.204.154.16L (cm)4.654.644.684.524.654.704.654.70H= L - L0實(shí)驗(yàn)十三、液體粘度的測(cè)量1、用分析天平測(cè)得10個(gè)大鋼球的質(zhì)量M = 2.6066g，10個(gè)小鋼球的質(zhì)量m = 1.1028g2、鋼球直徑的測(cè)量 零點(diǎn)讀數(shù)：0.004mm12345678910d1 (mm）3.9963.9823.9933.9953.9943.9943

28、.9963.9963.9953.993d2(mm)2.9982.9992.9992.9952.9982.9973.0002.9982.9992.995 3、測(cè)得量筒的內(nèi)直徑D = 3.486cm，量筒內(nèi)甘油的深度h = 24.50cm，N1，N2間距離l = 10.50cm4、小球通過(guò)N1，N2的時(shí)間12345678910大球t (s)1.992.001.801.951.851.801.921.901.801.90小球t (s)3.353.353.213.253.303.253.253.403.203.25 實(shí)驗(yàn)十四、金屬比熱容的測(cè)定 1、金屬塊質(zhì)量m = 347.2g，內(nèi)筒和攪拌器質(zhì)量m1

29、= 174.1g，混合后M = 672.5g2、室溫 = 22.68C前八分鐘i12345678ti (min)01235678Ti (C)39.1038.9038.6638.4038.1838.8337.8337.69一分鐘i910111213141516ti (min)7778Ti (C)35.1335.0134.9534.90后八分鐘i1314151617181920ti (min)910111213141516Ti (C)34.8234.7834.6534.5834.5034.4034.3234.22實(shí)驗(yàn)十五、熱功當(dāng)量的測(cè)定 1、測(cè)量?jī)?nèi)筒和攪拌器質(zhì)量m1 = 137.9g，混合后M =

30、 303.3g，2、測(cè)量實(shí)驗(yàn)前后室溫1 = 23.89C，2 = 23.92C3、測(cè)量熱絲兩端電壓u = 12.52V，電流I = 0.81A4、測(cè)量溫度計(jì) 電熱絲和接線柱質(zhì)量已知為m2 + m3 = (31.10 0.03)g升溫降溫t (min)T (C)t (min)T (C)t (min)T (C)t (min)T (C)125.301635.30141.101638.60226.241735.56240.891738.51327.121836.40340.701838.40427.721936.93440.581938.31528.532037.54540.382038.19629.

31、512138.10640.172138.05730.022238.61739.982237.94830.522339.10839.782337.81931.012439.58939.562437.621032.592540.101039.362537.511133.232641.121139.252637.431234.102741.601239.152737.301334.31281339.932837.211434.51291438.802937.151535.10301538.713037.10 實(shí)驗(yàn)十六、冰的溶解熱的測(cè)定 1、測(cè)量?jī)?nèi)筒和攪拌器質(zhì)量m1 = 118.4g，水的質(zhì)量m =

32、107.0g，冰的質(zhì)量M = 18.1g，2、溫度計(jì)直徑d = 0.566cm3、測(cè)量實(shí)驗(yàn)室室溫 = 23.65C，4、冰與水混合溫度記錄混合前i12345678ti (min)11112Ti (C)34.2034.1234.1034.0534.0033.9533.9033.85i910111213141516ti (min)22233334Ti (C)33.8033.7533.7033.6533.6033.5533.5033.45混合中i17181920212223242526ti (min)4445555666Ti (C)28.0023.8021.7020.8020.2020.0620.0

33、320.0120.0019.99混合后i2728293031323334ti (min)67777888Ti (C)20.0220.1020.1320.1420.1520.2020.2120.22i3536373839424142ti (min)89999101010Ti (C)20.2420.2720.3020.3020.3220.3520.4020.40實(shí)驗(yàn)十七、霍耳效應(yīng)1、儀器銘牌記錄：KHO = 2.7 mV/mAkG IM = 0.6 mA IS = 6 mA B = 173 mT b = 0.28 mm2、霍耳片對(duì)應(yīng)U I 值IM (A)量次數(shù)IS（mA）U1 (mV)U2 (mV

34、)U3 (mV)U4 (mV)+IM，+IS+IM，ISIM，ISIM，IS0.60012.008.78.79.09.024.0017.517.518.118.136.0026.227.227.127.148.0035.035.036.236.23、電磁鐵氣隙間沿水平方向的磁場(chǎng)分布量次數(shù)X（mm）U1 (mV)U2 (mV)U3 (mV)U4 (mV)+IM，+IS+IM，ISIM，ISIM，IS10.02.72.83.13.125.02.72.83.13.1310.02.72.83.13.1411.02.72.83.13.1512.02.72.83.13.1613.02.72.83.13.1

35、714.02.72.83.03.1815.02.62.72.93.0916.02.32.42.62.71016.22.22.32.62.61116.42.12.22.52.51216.62.12.12.42.41316.82.02.02.32.41417.01.92.02.22.31517.31.81.92.12.21617.61.71.72.02.11718.01.51.61.81.91818.51.41.41.71.81919.01.21.31.61.62020.01.01.11.01.4實(shí)驗(yàn)十八、惠斯通電橋電阻箱：R2( 0.1級(jí)) R3( 0.1級(jí)) R4( 0.4級(jí))1、電阻測(cè)量數(shù)據(jù)

36、R2()100.0200.0300.0150.0250.0R3()1000.02000.03000.01500.02500.0R4()1142.61170.11180.31160.01173.0當(dāng)R2 = 250，R3 = 2500時(shí)檢流計(jì)向左偏離零刻度5格時(shí)，R4 = 1100.0；檢流計(jì)向右偏離零刻度5格時(shí)，R4 = 1254.0R2()100.0200.0300.0150.0250.0R3()1000.02000.03000.01500.02500.0R4()1194.01196.01196.21196.01196.6當(dāng)R2 = 2500，R3 = 250時(shí)檢流計(jì)向左偏離零刻度5格時(shí)，R

37、4 = 1126.1；檢流計(jì)向右偏離零刻度5格時(shí)，R4 = 1276.32、RG 和RE 最小時(shí)Rx = 1k，取R2 = R3 = 1000.0時(shí)，R4 = 991.0檢流計(jì)向左偏離零刻度5格時(shí)，R4 = 953.0；檢流計(jì)向右偏離零刻度5格時(shí)，R4 = 1030.9 RG 和RE 最大時(shí)Rx = 1k，取R2 = R3 = 1000.0時(shí)，R4 = 991.0檢流計(jì)向左偏離零刻度5格時(shí)，R4 = 932.8；檢流計(jì)向右偏離零刻度5格時(shí)，R4 = 1053.1Rx = 50.0，且RE 和RE最小時(shí)，取R2 = R3 = 50.0時(shí)，R4 = 51.3檢流計(jì)向左偏離零刻度5格時(shí)，R4 = 4

38、8.5；檢流計(jì)向右偏離零刻度5格時(shí)，R4 = 54.1RE 、RE對(duì)調(diào)后，且RE 和RE最小Rx = 1000，取R2 = R3 = 1000.0時(shí)，R4 = 992.2檢流計(jì)向左偏離零刻度5格時(shí)，R4 = 955.1；檢流計(jì)向右偏離零刻度5格時(shí)，R4 = 1032.4實(shí)驗(yàn)十九、磁場(chǎng)的描繪1、磁場(chǎng)大小數(shù)據(jù) 線圈半徑的平均值R = 10.0cm次序1234567891011X(cm)01.02.03.04.05.06.07.08.09.010.0U(mV)17.117.016.115.113.912.911.410.18.87.66.8次序12131415161718192021X(cm)-1.

39、0-2.0-3.0-4.0-5.0-6.0-7.0-8.0-9.0-10.0U(mV)17.016.215.213.812.311.210.08.97.87.02、疊加原理數(shù)據(jù)X / cmY / cmUA / mVA / ( )UB / mVB / ( )UA+B / mVA+B / ( )2.0012.81.18.41.220.41.10-4.011.017.811.217.920.00-2.0-3.08.010.513.910.520.40實(shí)驗(yàn)二十、伏安法測(cè)電阻1、電壓表：200 / V電流表量程：30mA 75mA 300mA內(nèi)阻：1.3 0.6 1.0電壓表分度值：0.01V電流表分度

40、值：2mA 內(nèi)接法I（mA）200.0211.0221.0230.0240.0250.0U（V）1.0001.0551.1001.1501.2001.245外接法I（mA）200.0211.0221.0230.0240.0250.0U（V）1.2001.2751.3451.3901.4451.500補(bǔ)償法I（mA）200.0211.0221.0230.0240.0250.0U（V）1.0501.1001.1501.2101.2551.3102、R2 1000，P = 1WR2允許通過(guò)的最大電流I2m = 100mA電流表所選量程75mA，電壓表7.5V電壓表分度值：0.5mA 電流表分度值：0

41、.05V內(nèi)接法I(mA)50.0052.5055.0057.5060.0062.5065.0067.5070.5072.5075.00U(V)4.6504.8005.1005.3505.6005.8006.0006.2506.4756.7006.925外接法I(mA)50.0052.5055.0057.5060.0062.5065.0067.5070.5072.5075.00U(V)5.2505.4755.7005.9606.2256.4506.5506.7006.9507.0257.450補(bǔ)償法I(mA)50.0052.5055.0057.5060.0062.5065.0067.5070.5072.5075.00U(V)5.0005.2505.5005.7506.0006.2506.5006.7507.0507.2507.500實(shí)驗(yàn)二十一、LRC電路諧振特性的研究1、LRC串聯(lián)的幅頻特性電壓諧振法R（）U（V）UL（V）UC（V）29.863.0042.242.2218.443.0014.615.0 頻帶寬度法表一 L = 100mH c = 0.05uF R = 29.86