A Study on the Electrical Conduction in Wood

The theory of electrolytic conduction in ionic crystals has been applied to wood. It explains successfully the mechanism of electrical conduction. It has been found that the number of charge carriers in wood is the major factor affecting the conduction mechanism over the moisture content range from zero to 20 percent. At higher moisture contents, mobility of ions becomes important. Changes in equilibrium moisture content of wood with changes in temperature affect the relationship between log r and 1/T. Formation of bark e.m.f. was considered as the cause of anomalous polarization.

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