{
  "kind": "合成对照输入与本地模型/解析结果，非设备实测",
  "article": "https://qifudev.com/article/network-series-loaded-junction/",
  "tool": "https://qifudev.com/tools/resistor-network/",
  "model": "R串=R1+R2；R并=1/(1/R1+1/R2)",
  "inputs": {
    "a": "1000",
    "b": "2000"
  },
  "outputs": {
    "series": 3000,
    "parallel": 666.6666666666666
  },
  "extra_checks": [
    {
      "label": "下臂与新增负载先并联",
      "inputs": {
        "a": "2000",
        "b": "2000"
      },
      "output": "parallel",
      "result": {
        "values": {
          "series": 4000,
          "parallel": 1000
        },
        "warnings": []
      }
    },
    {
      "label": "上臂与下臂等效再串联",
      "inputs": {
        "a": "1000",
        "b": "1000"
      },
      "output": "series",
      "result": {
        "values": {
          "series": 2000,
          "parallel": 500
        },
        "warnings": []
      }
    }
  ],
  "warnings": [],
  "limitation": "只算两只理想电阻，不推断功率分担、温度系数或动态负载。",
  "source": {
    "label": "OpenStax：串并联电路",
    "url": "https://openstax.org/books/university-physics-volume-2/pages/10-2-resistors-in-series-and-parallel"
  },
  "measured": {
    "device": null,
    "firmware": null,
    "instrument": null,
    "conditions": null,
    "raw_result": null,
    "verdict": null
  }
}