The four-terminal conductor and the Thomson bridge (1912)
Wenner, Frank · National Bureau of Standards · leaf 42
ase at least one set of auxiliary ratios must carry thetest current, either the ratio set must be of low resistance or thetest current must be small. The advantage of the use of anauxiliary ratio is largely lost unless its resistance is large in com- 596 Bulletin of the Bureau of Standards [Vol. 8,… … Fig. 9 that class of measurements in which a small test current is used,as in the case of resistance thermometers. 7. THEORY WITH NONLINEAR CONDUCTORS Equation (23), on which the preceding discussion of the Thom-son bridge is based, was derived for the case in which the four-terminal conductors are…
Measurements and use of instruments · Electricity and magnetism · Condensed matter · Electronic structure, electrical, magnetic, and optical properties
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