Лабораторные работы / Решенная лабораторная по физике 46
.docThe laboratory work No 46.
The researching of the hysteresis phenomenon.
Had done by the student gr.__220171я__ F.N.S. Pavlov F.E.
Checked by ______________________ date ____________
Purpose: obtain the histeresis loop for the ferromagnetic, and to define its parameters.
The order of performing a work:
Write the results of measurements to the Table1.
Table1.
U’x, V |
lx, m |
U’y, V |
ly, m |
980 |
1 |
70 |
0.5 |
1050 |
5 |
75 |
1 |
1120 |
7 |
80 |
1.1 |
1190 |
9 |
85 |
1.15 |
1266 |
11 |
90 |
1.5 |
1330 |
12 |
95 |
2 |
1400 |
13 |
100 |
3 |
1540 |
15 |
110 |
4 |
1750 |
18 |
125 |
4.5 |
1820 |
19 |
130 |
8 |
Construct plots of dependencies lx = f(U’x) and ly = f(U’y).
, , ,
The receiving data write to the Table2.
Table2.
nx, m |
ny, m |
S”, m2 |
kx, V/m |
Ky, V/m |
Brem, Tl |
Hk, A/m |
w, J/m3 |
dw/dt, J/m3s |
|
|
|
|
|
|
|
|
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Conclusion: so we have obtained the histeresis loop for the ferromagnetic, and to define its parameters.