Gouy’s Method

Gouy’s Method

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₹11,762.0
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Product Code: GOM-01
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Product Description

Gouys 's Method


Apparatus for Measurement of Susceptibility of Paramagnetic Solids by Gouy’s Method

In the Gouy’s method of susceptibility measurement, the solid sample in the form of a long cylinder (area of cross section A) is hung from the pan of a balance and is placed such that one end of the sample is between the pole-pieces of the magnet (field H ) and the other one is outside the field. The force exerted on the sample by the inhomogeneous magnetic field is obtained by measuring the apparent change (m ) in the mass of the sample. The susceptibility c is given by

= 2 mg/AH2


If the sample is in the form of powder, it is filled in a long nonmagnetic tube which is then suspended from the pan of the balance.



Description of the experimental setup

a) Scientific Balance

Capacity200 gms
Sensitivity1/10 mg. by vernier
BeamHard Bronze/ Brass
ArrestmentCircular, falling away type
Air DampingVery quick and positive, beam coming to rest in 2-3 sec
Chainomatic DeviceA gold plated chain is suspended from the beam with its other end screwed on the rotating drum on which a scale graduated from 0 to 10 div each division representing 1mg is installed. By the movement of this scale before a vernier, reading upto 1/10th mg is taken

b) Sample in the form of a long rod

Set of 4 samples,2 each of Ebonite and wood

c) Electromagnet

Pole Pieces75mm tappered to 25mm
Mag. Field20KG at 6mm airgap

Power
0-50Vdc, 5A, for coils in parallel

d) Electromagnet Power Supply

e) Gaussmeter Digital

The experimental set-up is complete in all respect

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