Stability of S5-61 metal film resistors at helium temperatures, studied by means of a cryogenic current comparator
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A description is given of a superconducting current comparator, with zero-element based on a SQUID. The method is described, an evaluation made of the error, and results reported of a study of the stability of resistive dividers made with type S5-61 resistors. It is shown that these resistors can be used in the electric current and voltage dividers employed in precision measurements at the boiling point of liquid helium.
KeywordsPhysical Chemistry Analytical Chemistry Helium Boiling Electric Current
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