Electrode. A conductor planted into the ground through which current is passed, or which is used to measure the voltage caused by the current.Resistivity meter. An instrument used to carry out resistivity surveys that usually has a current transmitter and voltage-measuring circuitry.Electrical survey. Mapping subsurface resistivity by injecting an electrical current into the ground.
“Instrumentation, electrical resistivity.” In Solid Earth Geophysics Encyclopedia (2nd Edition), Electrical & Electromagnetic, Gupta, Harsh (ed), 599–604.
