błedy |
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Wart.rzeczywiste |
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I |
5 |
mA |
5.00E-03 |
A |
Ua |
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I kr - odczytujemy z wykresow (rys 20.4) |
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e/m : |
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Ia |
5 |
μA |
5.00E-06 |
A |
Ua_1 |
5 |
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I_1 kr |
0.16 |
A |
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152415790276 |
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i1 |
Xkwadrat1 |
i2 |
Xkwadrat1 |
i3 |
Xkwadrat1 |
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Ua |
0.25 |
V |
0.25 |
V |
Ua_2 |
8 |
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I_2 kr |
0.17 |
A |
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216019057775 |
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dU |
7620789513.79363 |
5.8076432813547E+019 |
6750595555.47117 |
4.55705403535471E+019 |
6021364554.10855 |
3.62568310934748E+019 |
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β |
1.35E-02 |
T/A |
1.35E-02 |
T/A |
Ua_3 |
12 |
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I_3 kr |
0.18 |
A |
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289025498597 |
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dbeta |
-4516023415.58141 |
2.03944674900796E+019 |
-6400564674.81711 |
4.09672281565167E+019 |
-8563718476.95438 |
7.33372741525298E+019 |
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Dβ |
2.00E-04 |
T/A |
2.00E-04 |
T/A |
wart śred |
8.33333333333333 |
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∆I kr (1 kratka na wykresie mm-owym) |
0.005 |
A |
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suma: |
657460346648 |
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dIkr |
-9525986892.24204 |
9.07444262711671E+019 |
-12707003398.534 |
1.61467935370354E+020 |
-16056972144.2895 |
2.57826354442488E+020 |
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ra |
0.8 |
cm |
0.008 |
m |
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Wart śred |
0.17 |
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Wart śed+ |
2.19153448883E+11 |
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dR |
-406442107.402327 |
1.65195186669645E+017 |
-576050820.73354 |
3.31834548067785E+017 |
-770734662.925894 |
5.94031920635492E+017 |
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rk |
0.05 |
cm |
0.0005 |
m |
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suma1 |
1.69545716948133E+020 |
suma2 |
2.48669372976553E+020 |
suma3 |
3.68608523529763E+020 |
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Dr |
0.001 |
cm |
1E-05 |
m |
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pierwiastek1 |
13.0209721967345 |
pierwiastek2 |
15.7692540399523 |
pierwiastek3 |
19.1991802827559 |
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I [mA] |
Ia1 [μA] u=7V |
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Ia2 [μA] U=9V |
Ia3 [μA] U=11V |
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blad bezwzgledny e/m |
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BLwz1 |
8.54305985827751E-09 |
BLwz2 |
7.2999364974416E-09 |
BLwz3 |
6.6427288858386E-09 |
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0 |
135 |
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250 |
440 |
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Pochodne cząstkowe: |
x² |
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20 |
130 |
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255 |
435 |
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dem Ua |
6750595555.47117 |
4.55705403535471E+19 |
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BLAD BEZWZ SR |
15.9964688398143 |
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40 |
130 |
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255 |
435 |
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dem β |
-6667254869.60116 |
4.44522874962204E+19 |
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BL WZ SR |
7.29920926244E-09 |
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60 |
130 |
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255 |
435 |
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dem Ikr |
-1.323646187E+10 |
1.75203922927901E+20 |
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80 |
130 |
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255 |
430 |
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dem r |
-600052938.264104 |
3.60063528719385E+17 |
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W doświadczeniu wyznaczania e/m z pomiarów efektu magnetronowego wyznaczona |
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100 |
125 |
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250 |
430 |
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suma: |
2.65586814306388E+20 |
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wartość ładunku właściwego elektronu e/m wyniosła : |
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110 |
120 |
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245 |
425 |
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√ |
1.62968344872981E+10 |
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e/m = (1.91 +/- 0.16) .1011 C/kg |
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120 |
115 |
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240 |
420 |
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Trochę różni się ona od teoretycznej wartości ładunku właściwego elektronu e/m |
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130 |
115 |
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235 |
420 |
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blad wzgledny e/m |
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e/m = 1.7588.1011 C/kg. Miało na to wpływ szereg błędów, spowodowanych między innymi |
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140 |
105 |
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230 |
410 |
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niedoskonałością przyrządów pomiarowych. |
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150 |
80 |
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210 |
395 |
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∆ e/m |
7.43626649289892E+00 |
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Uważam, że podczas wykonywania pomiarów na błąd wyniku mógł wpłynąć niestabilizowany |
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160 |
85 |
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180 |
365 |
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zasilacz zastosowany do utrzymywania napięcia anodowego, ponieważ każda zmiana prądu diody |
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170 |
60 |
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155 |
320 |
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powodowała zmianę napięcia anodowego, co pociągało za sobą ponowną jego regulację. |
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180 |
55 |
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135 |
280 |
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Nie bez znaczenia było też zastosowanie metody graficznej do wyznaczania prądu Ikr , |
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190 |
55 |
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125 |
250 |
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ponieważ nie jest to na pewno metoda dokładna i oszacowanie wartości tego prądu jest obarczone |
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200 |
50 |
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110 |
230 |
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dość dużym błędem. |
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220 |
45 |
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95 |
190 |
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Myślę, że pomimo tych wszystkich niedokładności pomiarów, cel został osiągnięty |
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240 |
40 |
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85 |
170 |
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i wyznaczona wartość e/m nie odbiega bardzo od wartości teoretycznej. |
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260 |
35 |
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80 |
155 |
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280 |
35 |
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75 |
145 |
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300 |
30 |
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70 |
135 |
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320 |
30 |
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70 |
130 |
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340 |
30 |
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65 |
120 |
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360 |
25 |
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65 |
115 |
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380 |
25 |
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60 |
110 |
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400 |
25 |
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55 |
105 |
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Wart. Max |
135 |
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255 |
440 |
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