单臂电桥测量中值电阻标准报告 在单臂电桥测量中值电阻中，能否用电桥测量电流表内阻，麻烦各位...
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\u7528\u81ea\u642d\u7535\u6865\u6d4b\u7535\u963bRx2 ( \u7ea6120\u03a9)
(1) \u8fde\u63a5\u7ebf\u8def\uff0c\u53d6R1\u2236R2=1\u22361\u5de6\u53f3\uff0c\u7528\u4ea4\u6362\u6cd5\u6d4b\u91cfRx2 \u3002
(2) \u6d4b\u7535\u6865\u7684\u7075\u654f\u5ea6S\uff1a\u4ea4\u6362\u540e\uff0c\u8bfb\u51fa\u7535\u6865\u5e73\u8861\u7684\u6bd4\u8f83\u81c2\u963b\u503c\u540e, \u518d\u5c06\u6bd4\u8f83\u81c2\u7535\u963bR0\u6539\u53d8\u25b3R\uff0c\u4f7f\u68c0\u6d41\u8ba1\u504f\u8f6c\u25b3d = 5\u5c0f\u683c\uff0c\u8bb0\u5f55\u25b3R\u503c\uff0c\u4f9d\u636e\u5f0f\uff086\uff09\u8ba1\u7b97\u7535\u6865\u7075\u654f\u5ea6\u3002 2. \u7528\u7bb1\u5f0f\u7535\u6865\u6d4b\u91cf\u7535\u963b\u677f\u4e0a\u7684\u4e09\u4e2a\u7535\u963bRx1\u3001Rx2\u3001Rx3 \u3002
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