constant-current dc potentiometer
constant-current dc potentiometer[¦kän·stənt ′kər·ənt ¦dē¦sē pə‚ten·chē′am·əd·ər]
A potentiometer in which the unknown electromotive force is balanced by a constant current times the resistance of a calibrated resistor or slide-wire. Also known as Poggendorff's first method.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.