Design of Low Impedance Standard Defined In a Four-Terminal-Pair Configuration
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Bibliographic record
Abstract
Electrical low resistive impedance are widely used as resistance standards in metrology laboratories. The aim is to measure a high level of alternative and direct currents (AC and DC) with high accuracy, or to use it as resistive loads suitable for calibrating instruments (such as impedance meters). The use of a low resistive impedance as a standard requires knowledge of its magnitude deviation from DC and its phase angle as a function of frequency. In this paper, we present a design of a low impedance (current shunt) for current measurements at 2 A up to 5 kHz. The structure of the current shunt is defined in a four terminal-pair (with BNC connectors). The relative deviation from DC is less than 0.23 % in magnitude for a current of 2 A up to 5 kHz.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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