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Ratio transformer bridge for the measurement of dielectric constant of lossy liquids

Gunasekaran, MK and Jayalakshmi, Y (1989) Ratio transformer bridge for the measurement of dielectric constant of lossy liquids. In: Journal of Physics E: Scientific Instruments, 22 (12). pp. 1000-1004.

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Official URL: http://iopscience.iop.org/0022-3735/22/12/008/

Abstract

A three-terminal capacitance bridge is developed for the measurement of the dielectric constant of lossy liquids. Using this modified ratio transformer bridge, the capacitance shunted by a resistance as low as 50 Omega is measured at 10 kHz. The capacitance error associated with the inductance of the connecting wire is compensated using the novel method of introducing an additional transformer to the existing ratio transformer bridge. Other sources of capacitance errors, such as the non-zero output impedence of the ratio transformer and the shield capacitances of the cables, are discussed.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Institute of Physics.
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly, (CEDT) Centre for Electronic Design & Technology)
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 16 Jul 2010 06:15
Last Modified: 19 Sep 2010 06:11
URI: http://eprints.iisc.ernet.in/id/eprint/30316

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