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Лабораторные работы / Решенная лабораторная по физике 46

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The 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

Conclusion: so we have obtained the histeresis loop for the ferromagnetic, and to define its parameters.