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Moisture dependence of some electrical and dielectric properties of cassava
Author(s) -
Ajibola Obafemi O.
Publication year - 1985
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740360508
Subject(s) - multimeter , dielectric , water content , materials science , moisture , electrical resistivity and conductivity , composite material , analytical chemistry (journal) , chemistry , electrical engineering , chromatography , optoelectronics , geotechnical engineering , voltage , engineering
The electrical resistance and the 1.0 kHz dielectric properties of cassava were measured at different moisture content values with the Kiethley digital multimeter and GR 1608‐A impedence bridge respectively. The resistance increased linearly with decreasing moisture content while the Naperian logarithm of the a.c. conductivity decreased linearly with decreasing moisture content. Regression constants were obtained in both cases. The dielectric constant decreased with decreasing moisture content.