R Padma Suvarna
Articles written in Bulletin of Materials Science
Volume 25 Issue 7 December 2002 pp 647-651 Instrumentation
An inexpensive, indigenous and a simple electronic instrument based on voltage follower, current–to–voltage converter, zero crossing detector and a phase detector has been developed for measurement of a.c. conductivity. Real and imaginary parts of complex impedance are determined for a given sample as a function of frequency and the given sample is represented by a pure electronic model.
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