constant-resistance dc potentiometer

constant-resistance dc potentiometer

[¦kän·stənt ri′zis·təns ¦dē¦sē pə‚ten·chē′äm·əd·ər] (electricity) A potentiometer in which the ratio of an unknown and a known potential are set equal to the ratio of two known constant resistances. Also known as Poggendorff's second method.