Summary
We have determined the rotation moments of some polar liquids in a rotating electrical field for frequency values which are comprised between 0.325 MHz and 8.5 MHz. The noticeable differences we have found between the experimental values and the theoretic ones are been imputed to a change of conductivity and dielectric constant owing to the frequency change.
Riassunto
In questo lavoro sono stati determinati i momenti di rotazione di diversi liquidi polari in campi elettrici rotanti per frequenze da 0.325 a 8.5 MHz. Per alcuni di essi la diversità riscontrata tra i valori sperimentali e quelli teorici sta a significare una variazione della conducibilità e della costante dielettrica al variare della frequenza.
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References
M. Born:Zeits. f. Phys.,1, 221 (1920).
P. Lertes:Phys. Zeits.,3–4, 315 (1921).
The calculation of the field in the mentioned conditions was carried out by Prof.E. Persico. We wish hereby to thank him most sincerely.
A. Lampa:Wien. Ber.,115 (2a), 1659 (1906).
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Grossetti, E. Born-Lertes effect on the dipolar rotation of liquids. Nuovo Cim 10, 193–199 (1958). https://doi.org/10.1007/BF02732478
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DOI: https://doi.org/10.1007/BF02732478