electrolytic rheostat

electrolytic rheostat

[i′lek·trə‚lid·ik ′rē·ə‚stat]
(electricity)
A rheostat that consists of a tank of conducting liquid in which electrodes are placed, and resistance is varied by changing the distance between the electrodes, the depth of immersion of the electrodes, or the resistivity of the solution. Also known as water rheostat.
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