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Search results with tag "Quantum hall effect resistance standards"
BUREAU INTERNATIONAL DES POIDS ET MESURES …
www.bipm.orgComparison of Quantum Hall Effect resistance standards of the PTB and the BIPM ... Similarly, K2 is defined as the ratio R100 Ω /R1Ω of the resistance of two standards of nominal values 100 Ω and 1 Ω. The relative difference in the measurements of K2 is expressed as (K2PTB – K2BIPM) ...