Cel ćwiczenia
Doświadczalne sprawdzenie prawa indukcji Faradaya
Badanie ruchu ciał w ziemskim polu grawitacyjnym
Wyniki
Numer cewki | z[m] | ∆z[m] | v[m/s] | ∆v[m/s] |
---|---|---|---|---|
1 | 0,122 | 0,001 | 1,4 | 0,7 |
2 | 0,223 | 2,0 | 0,5 | |
3 | 0,332 | 2,4 | 0,4 | |
4 | 0,431 | 2,8 | 0,4 | |
5 | 0,531 | 3,1 | 0,3 | |
6 | 0,632 | 3,4 | 0,3 | |
7 | 0,732 | 3,7 | 0,3 | |
8 | 0,833 | 4,0 | 0,2 | |
9 | 0,933 | 4,2 | 0,2 | |
10 | 1,033 | 4,4 | 0,2 | |
11 | 1,132 | 4,6 | 0,2 | |
12 | 1,232 | 4,9 | 0,2 |
$$v = \sqrt{2gz} = 1,4\ \left\lbrack \frac{m}{s} \right\rbrack$$
$$v = \left| \frac{\partial v}{\partial z}z \right| = \left| \frac{\sqrt{2g}}{2\sqrt{z}}z \right| = 0,7\left\lbrack \frac{m}{s} \right\rbrack$$
Nr cewki | E1 [V] |
E2 [V] |
E3 [V] |
E4 [V] |
E5 [V] |
E6 [V] |
E7 [V] |
E8 [V] |
E9 [V] |
E10 [V] |
E11 [V] |
E12 [V] |
EŚR [V] |
∆EŚR [V] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 8 | 10 | 15 | 20 | 23 | 20 | 23 | 31 | 30 | 31 | 34 | 38 | 24 | 8 |
2 | 9 | 14 | 18 | 21 | 19 | 20 | 20 | 22 | 24 | 29 | 36 | 38 | 23 | 6 |
3 | 9 | 12 | 15 | 17 | 22 | 24 | 25 | 25 | 28 | 30 | 29 | 32 | 22 | 5 |
4 | 10 | 14 | 17 | 20 | 22 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 23 | 4 |
5 | 7 | 12 | 14 | 17 | 23 | 24 | 26 | 29 | 28 | 28 | 30 | 36 | 23 | 7 |
6 | 8 | 13 | 15 | 16 | 17 | 22 | 26 | 30 | 27 | 27 | 27 | 32 | 22 | 5 |
7 | 8 | 12 | 16 | 21 | 21 | 21 | 22 | 24 | 26 | 27 | 29 | 35 | 22 | 5 |
8 | 8 | 11 | 16 | 18 | 24 | 24 | 24 | 24 | 27 | 31 | 33 | 34 | 23 | 6 |
9 | 8 | 13 | 16 | 19 | 22 | 19 | 23 | 39 | 26 | 26 | 27 | 34 | 23 | 7 |
10 | 8 | 14 | 17 | 21 | 19 | 19 | 22 | 27 | 32 | 28 | 28 | 34 | 22 | 5 |
11 | 7 | 9 | 16 | 21 | 21 | 21 | 22 | 24 | 25 | 27 | 28 | 34 | 21 | 5 |
12 | 8 | 13 | 16 | 18 | 19 | 21 | 23 | 15 | 26 | 28 | 37 | 34 | 22 | 5 |
L. zwojów | E1[V] | E2[V] | E3[V] | E4[V] | EŚR[V] | ∆EŚR[V] |
---|---|---|---|---|---|---|
15 | 34 | 33 | 34 | 34 | 34 | 1 |
30 | 41 | 38 | 39 | 40 | 40 | 2 |
45 | 39 | 41 | 41 | 42 | 41 | 1 |
60 | 38 | 38 | 39 | 38 | 38 | 1 |
$$d = \left( t_{g} - t_{d} \right)\sqrt{2gz} = \left( 1,092041 - 1,066190 \right)\sqrt{2*9,81*0,1} = 0,0362\ \left\lbrack m \right\rbrack = 3,62\left\lbrack cm \right\rbrack$$
$$d = \left| \frac{\partial v}{\partial z}z \right| = \left| \left( t_{g} - t_{d} \right)\frac{\sqrt{2g}}{2\sqrt{z}}z \right| = \left| \left( 1,092041 - 1,066190 \right)\frac{\sqrt{2*9,81}}{2\sqrt{0,1}}*0,001 \right| = 0,19\left\lbrack \text{mm} \right\rbrack$$
$$g = \frac{v^{2}}{2\left( z + \frac{l}{2} \right)} = \frac{{1,4}^{2}}{2*(0,122 + 0,028)} = 6,53\left\lbrack \frac{m}{s^{2}} \right\rbrack$$
$$g = \left| \frac{\partial g}{\partial v}v \right| + \left| \frac{\partial g}{\partial z}z \right| = \left| \frac{4vz + 2vl}{\left( 2z + l \right)^{2}}v \right| + \left| \frac{2v^{2} + v^{2}l}{\left( 2z + l \right)^{2}}z \right| = \left| \frac{4*1,4*0,1 + 2*0,1*0,028}{\left( 2*0,1 + 0,028 \right)^{2}}*0,7 \right| + \left| \frac{2*{1,4}^{2} + {1,4}^{2}*0,028}{\left( 2*0,1 + 0,028 \right)^{2}}*0,001 \right| = 0,87\left\lbrack \frac{m}{s^{2}} \right\rbrack$$
Nr cewki | g[m/s2] | ∆g[m/s2] | gśr[m/s2] | ∆gśr[m/s2] |
---|---|---|---|---|
1 | 6,53 | 0,87 | 8,64 | 0,91 |
2 | 7,97 | 0,74 | ||
3 | 8,00 | 0,52 | ||
4 | 8,54 | 0,46 | ||
5 | 8,60 | 0,31 | ||
6 | 8,76 | 0,23 | ||
7 | 9,01 | 0,2 | ||
8 | 9,29 | 0,15 | ||
9 | 9,18 | 0,1 | ||
10 | 9,12 | 0,1 | ||
11 | 9,12 | 0,1 | ||
12 | 9,53 | 0,1 |
Wykresy
Wnioski