resistance frame
noun1
A rheostat consisting of an open frame on which are stretched spirals of wire, which, being freely exposed to the air, radiate heat rapidly.
noun
A rheostat consisting of an open frame on which are stretched spirals of wire, which, being freely exposed to the air, radiate heat rapidly.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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