{
  "capability_id": "electrical.voltage_divider",
  "tool_id": "voltage-divider",
  "engine": "voltage-divider",
  "calculation_version": "1.3.0",
  "generated_at": "2026-08-08T01:41:19.396Z",
  "engine_build": "2026-08-08",
  "test_count": 20,
  "passed": 20,
  "failed": 0,
  "tests_summary": {
    "golden": {
      "passed": 9,
      "total": 9
    },
    "boundary": {
      "passed": 6,
      "total": 6
    },
    "property": {
      "passed": 5,
      "total": 5
    }
  },
  "engine_tested": true,
  "expert_reviewed": false,
  "source_checked": true,
  "reviewed_by": null,
  "reviewer_role": null,
  "last_reviewed": null,
  "expert_review": {
    "status": "review_required",
    "reviewer": null,
    "scope": [
      "formula",
      "input semantics",
      "assumptions",
      "limitations",
      "sources",
      "tests"
    ],
    "note": "Pending named expert approval per REVIEW.md. Do not treat as critical-engineering-ready."
  },
  "page": "https://www.calculatorx.com/calc/electric/voltage-divider",
  "api": "https://www.calculatorx.com/api/v1/calc/voltage-divider",
  "schema_input": "https://www.calculatorx.com/schemas/electrical.voltage_divider.input.json",
  "schema_output": "https://www.calculatorx.com/schemas/electrical.voltage_divider.output.json",
  "assumptions": [
    "No load on Vout",
    "DC / resistive"
  ],
  "limitations": [
    "Unloaded two-resistor divider only",
    "Fewer than three inputs throws",
    "Solving R when Vout ≥ Vin or Vout ≤ 0 yields R = 0"
  ],
  "boundary_conditions": [
    "Fewer than three of Vin,R1,R2,Vout → hard throw (needs any three)",
    "When solving R1/R2: if not (Vin > Vout > 0), engine returns R=0 — soft boundary",
    "R1+R2=0 → Vout=0; Vin=0 → Vout=0 — soft",
    "Unloaded two-resistor divider only"
  ],
  "sources": [
    "Georg Simon Ohm (1827) / IEC 60050 — Series resistive divider — Vout = Vin × R2 / (R1 + R2); I = Vin / (R1 + R2)",
    "NIST Guide to the SI (SP 811) — Volt, ohm, and ampere in circuit analysis — SI units for voltage, resistance, and series current (https://www.nist.gov/pml/special-publication-811)",
    "IEC 60050 — International Electrotechnical Vocabulary — Potential divider / voltage divider — Series resistive divider terminology (https://www.electropedia.org/)"
  ],
  "fingerprint": "sha256:68ad632f75df75c1ead3c08f1ce7d608a41bc752a271f732ccbcf4e014b43a40",
  "tier": "verified",
  "tests": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary"
  }
}