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\u5728\u672c\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4f9d\u6b21\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u7535\u8def\u5206\u6790\u65b9\u6cd5\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u652f\u8def\u7535\u6d41\u6cd5\u3001\u8282\u70b9\u7535\u538b\u6cd5\u3001\u7f51\u5b54\u7535\u6d41\u6cd5\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u81ea\u8eab\u7684\u7279\u70b9\u548c\u4f18\u52bf\uff0c\u4e5f\u5b58\u5728\u4e00\u5b9a\u7684\u5c40\u9650\u6027\u3002\u6211\u4eec\u4f1a\u8be6\u7ec6\u8bb2\u89e3\u6bcf\u79cd\u65b9\u6cd5\u7684\u57fa\u672c\u539f\u7406\u3001\u6b65\u9aa4\u4ee5\u53ca\u5e94\u7528\u5b9e\u4f8b\uff0c\u5e2e\u52a9\u5927\u5bb6\u6df1\u5165\u7406\u89e3\u5e76\u719f\u7ec3\u638c\u63e1\u5b83\u4eec\u3002\u90a3\u4e48\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u5148\u4ece\u652f\u8def\u7535\u6d41\u6cd5\u5f00\u59cb\uff0c\u4e00\u8d77\u5f00\u542f\u7535\u8def\u5206\u6790\u65b9\u6cd5\u7684\u5b66\u4e60\u4e4b\u65c5\u3002<\/p>\n\n\n\n

2.1 \u652f\u8def\u7535\u6d41\u6cd5<\/h2>\n\n\n\n

\u652f\u8def\u7535\u6d41\u6cd5\u662f\u4e00\u79cd\u57fa\u672c\u7684\u7535\u8def\u5206\u6790\u65b9\u6cd5\uff0c\u5b83\u901a\u8fc7\u5047\u8bbe\u6bcf\u4e2a\u652f\u8def\u7684\u7535\u6d41\u4e3a\u672a\u77e5\u91cf\uff0c\u7136\u540e\u6839\u636e\u57fa\u5c14\u970d\u592b\u7535\u6d41\u5b9a\u5f8b\uff08KCL\uff09\u548c\u57fa\u5c14\u970d\u592b\u7535\u538b\u5b9a\u5f8b\uff08KVL\uff09\u5217\u51fa\u65b9\u7a0b\uff0c\u4ece\u800c\u6c42\u89e3\u7535\u8def\u4e2d\u7684\u7535\u6d41\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5404\u79cd\u590d\u6742\u7684\u7535\u8def\u5206\u6790\uff0c\u662f\u7535\u8def\u5206\u6790\u7684\u57fa\u7840\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n\n\n\n

\uff081\uff09\u652f\u8def\u7535\u6d41\u6cd5\u7684\u57fa\u672c\u6b65\u9aa4<\/strong><\/p>\n\n\n\n

\u2460 \u786e\u5b9a\u652f\u8def\u6570\u548c\u8282\u70b9\u6570<\/strong><\/p>\n\n\n\n

\u9996\u5148\uff0c\u786e\u5b9a\u7535\u8def\u4e2d\u7684\u652f\u8def\u6570 b \u548c\u8282\u70b9\u6570 n\u3002\u652f\u8def\u662f\u8fde\u63a5\u4e24\u4e2a\u8282\u70b9\u7684\u8def\u5f84\uff0c\u8282\u70b9\u662f\u4e09\u6761\u6216\u66f4\u591a\u652f\u8def\u7684\u4ea4\u6c47\u70b9\u3002<\/p>\n\n\n\n

\u2461 \u8bbe\u5b9a\u652f\u8def\u7535\u6d41\u65b9\u5411<\/strong><\/p>\n\n\n\n

\u5bf9\u4e8e\u6bcf\u4e2a\u652f\u8def\uff0c\u5047\u8bbe\u4e00\u4e2a\u7535\u6d41\u65b9\u5411\uff0c\u5e76\u6807\u8bb0\u4e3a\u672a\u77e5\u91cf\u3002\u901a\u5e38\u7528<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8868\u793a\u5404\u4e2a\u652f\u8def\u7684\u7535\u6d41\u3002<\/p>\n\n\n\n

\u2462 \u5217 KCL \u65b9\u7a0b<\/strong><\/p>\n\n\n\n

\u6839\u636e KCL\uff0c\u5728\u6bcf\u4e2a\u8282\u70b9\u5904\u5217\u51fa\u7535\u6d41\u65b9\u7a0b\u3002\u5bf9\u4e8e n \u4e2a\u8282\u70b9\u7684\u7535\u8def\uff0c\u53ef\u4ee5\u5217\u51fa n\u22121 \u4e2a\u72ec\u7acb\u7684 KCL \u65b9\u7a0b\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u6709 3 \u4e2a\u8282\u70b9\u7684\u7535\u8def\uff0c\u53ef\u4ee5\u5217\u51fa 2 \u4e2a KCL \u65b9\u7a0b\u3002<\/p>\n\n\n\n

\u2463 \u5217 <\/strong>KVL<\/strong> \u65b9\u7a0b<\/strong><\/p>\n\n\n\n

\u9009\u62e9\u7535\u8def\u4e2d\u7684\u72ec\u7acb\u56de\u8def\uff0c\u6839\u636e KVL \u5217\u51fa\u7535\u538b\u65b9\u7a0b\u3002\u5bf9\u4e8e b \u6761\u652f\u8def\u7684\u7535\u8def\uff0c\u53ef\u4ee5\u5217\u51fa b\u2212n+1 \u4e2a\u72ec\u7acb\u7684 KVL \u65b9\u7a0b\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u6709 3 \u4e2a\u8282\u70b9\u548c 4 \u6761\u652f\u8def\u7684\u7535\u8def\uff0c\u53ef\u4ee5\u5217\u51fa 2 \u4e2a KVL \u65b9\u7a0b\u3002<\/p>\n\n\n\n

\u2464 \u89e3\u65b9\u7a0b\u7ec4<\/strong><\/p>\n\n\n\n

\u5c06\u6240\u6709\u5217\u51fa\u7684 KCL \u548c KVL \u65b9\u7a0b\u7ec4\u6210\u4e00\u4e2a\u65b9\u7a0b\u7ec4\uff0c\u901a\u8fc7\u89e3\u65b9\u7a0b\u7ec4\u6c42\u51fa\u5404\u4e2a\u652f\u8def\u7684\u7535\u6d41\u3002<\/p>\n\n\n\n

\uff082\uff09\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n\n\n\n

\u2460 \u7535\u6d41\u65b9\u5411\u7684\u5047\u8bbe<\/strong><\/p>\n\n\n\n

\u5728\u8bbe\u5b9a\u652f\u8def\u7535\u6d41\u65b9\u5411\u65f6\uff0c\u53ef\u4ee5\u4efb\u610f\u5047\u8bbe\u7535\u6d41\u7684\u65b9\u5411\u3002\u5982\u679c\u8ba1\u7b97\u7ed3\u679c\u4e3a\u6b63\uff0c\u5219\u8bf4\u660e\u5047\u8bbe\u7684\u65b9\u5411\u6b63\u786e\uff1b\u5982\u679c\u8ba1\u7b97\u7ed3\u679c\u4e3a\u8d1f\uff0c\u5219\u8bf4\u660e\u5b9e\u9645\u7535\u6d41\u65b9\u5411\u4e0e\u5047\u8bbe\u65b9\u5411\u76f8\u53cd\u3002<\/p>\n\n\n\n

\u2461 \u7535\u538b\u7684\u6b63\u8d1f\u53f7<\/strong><\/p>\n\n\n\n

\u5728\u5217 KVL \u65b9\u7a0b\u65f6\uff0c\u8981\u6ce8\u610f\u7535\u538b\u7684\u6b63\u8d1f\u53f7\u3002\u7535\u538b\u5347\u4e3a\u6b63\uff0c\u7535\u538b\u964d\u4e3a\u8d1f\u3002\u5728\u56de\u8def\u4e2d\uff0c\u7535\u538b\u7684\u4ee3\u6570\u548c\u4e3a\u96f6\u3002<\/p>\n\n\n\n

\u2462 \u72ec\u7acb\u65b9\u7a0b\u6570<\/strong><\/p>\n\n\n\n

\u786e\u4fdd\u5217\u51fa\u7684\u65b9\u7a0b\u662f\u72ec\u7acb\u7684\uff0c\u5373\u6bcf\u4e2a\u65b9\u7a0b\u63d0\u4f9b\u65b0\u7684\u4fe1\u606f\u3002\u72ec\u7acb\u65b9\u7a0b\u6570\u7b49\u4e8e\u652f\u8def\u6570 b\u3002<\/p>\n\n\n\n

2.2 \u53e0\u52a0\u539f\u7406<\/h2>\n\n\n\n

\u5728\u524d\u9762\u7684\u5b66\u4e60\u4e2d\uff0c\u6211\u4eec\u638c\u63e1\u4e86\u57fa\u5c14\u970d\u592b\u5b9a\u5f8b<\/strong>\u548c\u652f\u8def\u7535\u6d41\u6cd5<\/strong>\u7b49\u7535\u8def\u5206\u6790\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u5e2e\u52a9\u6211\u4eec\u5206\u6790\u4e86\u7535\u8def\u4e2d\u5404\u4e2a\u5143\u4ef6\u7684\u7535\u6d41\u548c\u7535\u538b\u3002\u7136\u800c\uff0c\u5f53\u7535\u8def\u4e2d\u5b58\u5728\u591a\u4e2a\u7535\u6e90\u65f6\uff0c\u5206\u6790\u8d77\u6765\u53ef\u80fd\u4f1a\u6bd4\u8f83\u590d\u6742\u3002\u4e3a\u4e86\u7b80\u5316\u8fd9\u79cd\u591a\u7535\u6e90\u7535\u8def\u7684\u5206\u6790\uff0c\u6211\u4eec\u5f15\u5165\u53e0\u52a0\u539f\u7406\u3002<\/p>\n\n\n\n

2.2.1 \u53e0\u52a0\u539f\u7406\u7684\u6982\u5ff5<\/h3>\n\n\n\n

\u53e0\u52a0\u539f\u7406\u662f\u7535\u8def\u5206\u6790\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u539f\u7406\uff0c\u5b83\u9002\u7528\u4e8e\u7ebf\u6027\u7535\u8def<\/strong>\u3002\u7ebf\u6027\u7535\u8def\u662f\u6307\u7535\u8def\u4e2d\u7684\u5143\u4ef6\u90fd\u6ee1\u8db3\u7ebf\u6027\u5173\u7cfb\uff0c\u5373\u7535\u538b\u4e0e\u7535\u6d41\u6210\u6b63\u6bd4\u3002\u5728\u8fd9\u79cd\u7535\u8def\u4e2d\uff0c\u5f53\u6709\u591a\u4e2a\u7535\u6e90\u540c\u65f6\u4f5c\u7528\u65f6\uff0c\u7535\u8def\u4e2d\u7684\u7535\u6d41\u548c\u7535\u538b\u53ef\u4ee5\u770b\u4f5c\u662f\u6bcf\u4e2a\u7535\u6e90\u5355\u72ec\u4f5c\u7528\u65f6\u4ea7\u751f\u7684\u7535\u6d41\u548c\u7535\u538b\u7684\u53e0\u52a0\u3002<\/p>\n\n\n\n

\u53e0\u52a0\u539f\u7406\u7684\u901a\u4fd7\u89e3\u91ca<\/strong><\/p>\n\n\n\n

\u6211\u4eec\u53ef\u4ee5\u628a\u53e0\u52a0\u539f\u7406\u60f3\u8c61\u6210\u4e00\u4e2a\u56e2\u961f\u5408\u4f5c\u7684\u573a\u666f\u3002\u5047\u8bbe\u4e00\u4e2a\u7535\u8def\u662f\u4e00\u4e2a\u9879\u76ee\uff0c\u591a\u4e2a\u7535\u6e90\u5c31\u50cf\u662f\u56e2\u961f\u4e2d\u7684\u4e0d\u540c\u6210\u5458\uff0c\u6bcf\u4e2a\u6210\u5458\u90fd\u6709\u81ea\u5df1\u7684\u8d21\u732e\u3002\u5f53\u6574\u4e2a\u56e2\u961f\u4e00\u8d77\u5de5\u4f5c\u65f6\uff0c\u9879\u76ee\u7684\u6210\u679c\u5c31\u662f\u6bcf\u4e2a\u6210\u5458\u8d21\u732e\u7684\u603b\u548c\u3002\u540c\u6837\u5730\uff0c\u5728\u7535\u8def\u4e2d\uff0c\u5f53\u591a\u4e2a\u7535\u6e90\u4e00\u8d77\u5de5\u4f5c\u65f6\uff0c\u7535\u8def\u4e2d\u7684\u7535\u6d41\u548c\u7535\u538b\u5c31\u662f\u6bcf\u4e2a\u7535\u6e90\u5355\u72ec\u4f5c\u7528\u65f6\u4ea7\u751f\u7684\u7535\u6d41\u548c\u7535\u538b\u7684\u603b\u548c\u3002<\/p>\n\n\n\n

2.2.2 \u53e0\u52a0\u539f\u7406\u7684\u6b65\u9aa4<\/h3>\n\n\n\n

\u786e\u5b9a\u7535\u6e90 \uff1a\u786e\u5b9a\u7535\u8def\u4e2d\u7684\u6240\u6709\u7535\u6e90\uff0c\u5305\u62ec\u7535\u538b\u6e90<\/strong>\u548c\u7535\u6d41\u6e90<\/strong>\u3002<\/p>\n\n\n\n

\u5355\u72ec\u4f5c\u7528 \uff1a\u6bcf\u6b21\u53ea\u4fdd\u7559\u4e00\u4e2a\u7535\u6e90\uff0c\u5c06\u5176\u4f59\u7535\u6e90\u53bb\u6389\uff08\u7535\u538b\u6e90\u77ed\u8def\uff0c\u7535\u6d41\u6e90\u5f00\u8def<\/strong>\uff09\uff0c\u8ba1\u7b97\u7535\u8def\u4e2d\u7684\u7535\u6d41\u548c\u7535\u538b\u3002<\/p>\n\n\n\n

\u53e0\u52a0\u7ed3\u679c \uff1a\u5c06\u6bcf\u4e2a\u7535\u6e90\u5355\u72ec\u4f5c\u7528\u65f6\u4ea7\u751f\u7684\u7535\u6d41\u548c\u7535\u538b\u8fdb\u884c\u53e0\u52a0\uff0c\u5f97\u5230\u603b\u7535\u6d41\u548c\u603b\u7535\u538b\u3002<\/p>\n\n\n\n

2.2.3 \u53e0\u52a0\u539f\u7406\u7684\u793a\u4f8b<\/h3>\n\n\n\n

\u5047\u8bbe\u6709\u4e00\u4e2a\u7535\u8def\uff0c\u5305\u542b\u4e00\u4e2a 12V \u7684\u7535\u538b\u6e90\u548c\u4e00\u4e2a 4A \u7684\u7535\u6d41\u6e90\uff0c\u4ee5\u53ca\u4e24\u4e2a\u7535\u963b R1 \u548c R2\u3002\u6211\u4eec\u60f3\u6c42\u51fa\u7535\u8def\u4e2d\u67d0\u4e2a\u8282\u70b9\u7684\u7535\u538b\u3002<\/p>\n\n\n\n

\u7535\u538b\u6e90\u5355\u72ec\u4f5c\u7528 \uff1a\u53bb\u6389\u7535\u6d41\u6e90\uff08\u5c06\u5176\u5f00\u8def\uff09\uff0c\u53ea\u4fdd\u7559 12V \u7684\u7535\u538b\u6e90\u3002\u8ba1\u7b97\u6b64\u65f6\u7535\u8def\u4e2d\u7684\u7535\u6d41\u548c\u7535\u538b\u3002<\/p>\n\n\n\n

\u7535\u6d41\u6e90\u5355\u72ec\u4f5c\u7528 \uff1a\u53bb\u6389\u7535\u538b\u6e90\uff08\u5c06\u5176\u77ed\u8def\uff09\uff0c\u53ea\u4fdd\u7559 4A \u7684\u7535\u6d41\u6e90\u3002\u8ba1\u7b97\u6b64\u65f6\u7535\u8def\u4e2d\u7684\u7535\u6d41\u548c\u7535\u538b\u3002<\/p>\n\n\n\n

\u53e0\u52a0\u7ed3\u679c \uff1a\u5c06\u4e0a\u8ff0\u4e24\u79cd\u60c5\u51b5\u4e0b\u7684\u7535\u6d41\u548c\u7535\u538b\u8fdb\u884c\u53e0\u52a0\uff0c\u5f97\u5230\u603b\u7535\u6d41\u548c\u603b\u7535\u538b\u3002<\/p>\n\n\n\n

2.2.4 \u53e0\u52a0\u539f\u7406\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n

\u7ebf\u6027\u7535\u8def \uff1a\u53e0\u52a0\u539f\u7406\u53ea\u9002\u7528\u4e8e\u7ebf\u6027\u7535\u8def\uff0c\u5373\u7535\u8def\u4e2d\u7684\u5143\u4ef6\u90fd\u6ee1\u8db3\u7ebf\u6027\u5173\u7cfb\u3002\u5982\u679c\u7535\u8def\u4e2d\u5b58\u5728\u975e\u7ebf\u6027\u5143\u4ef6\uff08\u5982\u4e8c\u6781\u7ba1\u3001\u6676\u4f53\u7ba1\u7b49\uff09\uff0c\u53e0\u52a0\u539f\u7406\u5c31\u4e0d\u9002\u7528\u4e86\u3002<\/p>\n\n\n\n

\u7535\u6e90\u5904\u7406 \uff1a\u5728\u53e0\u52a0\u539f\u7406\u4e2d\uff0c\u5f53\u4e00\u4e2a\u7535\u6e90\u5355\u72ec\u4f5c\u7528\u65f6\uff0c\u5176\u4ed6\u7535\u6e90\u9700\u8981\u8fdb\u884c\u5904\u7406\u3002\u7535\u538b\u6e90\u9700\u8981\u77ed\u8def\uff0c\u7535\u6d41\u6e90\u9700\u8981\u5f00\u8def\u3002<\/p>\n\n\n\n

\u53e0\u52a0\u65b9\u5f0f \uff1a\u53e0\u52a0\u65f6\u8981\u6ce8\u610f\u7535\u6d41\u548c\u7535\u538b\u7684\u65b9\u5411\u3002\u5982\u679c\u65b9\u5411\u76f8\u540c\uff0c\u53ef\u4ee5\u76f4\u63a5\u76f8\u52a0\uff1b\u5982\u679c\u65b9\u5411\u76f8\u53cd\uff0c\u9700\u8981\u8fdb\u884c\u76f8\u51cf\u3002<\/p>\n\n\n\n

2.2.5 \u53e0\u52a0\u539f\u7406\u7684\u4f18\u70b9\u548c\u5c40\u9650<\/h3>\n\n\n\n

\uff081\uff09\u53e0\u52a0\u539f\u7406\u7684\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n

\u7b80\u5316\u5206\u6790 \uff1a\u53e0\u52a0\u539f\u7406\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u591a\u7535\u6e90\u7535\u8def\u5206\u89e3\u4e3a\u591a\u4e2a\u7b80\u5355\u7684\u5355\u7535\u6e90\u7535\u8def\uff0c\u4ece\u800c\u7b80\u5316\u7535\u8def\u5206\u6790\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

\u9002\u7528\u8303\u56f4\u5e7f \uff1a\u53e0\u52a0\u539f\u7406\u9002\u7528\u4e8e\u5404\u79cd\u7ebf\u6027\u7535\u8def\uff0c\u65e0\u8bba\u662f\u76f4\u6d41\u7535\u8def\u8fd8\u662f\u4ea4\u6d41\u7535\u8def\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528\u53e0\u52a0\u539f\u7406\u8fdb\u884c\u5206\u6790\u3002<\/p>\n\n\n\n

\uff082\uff09\u53e0\u52a0\u539f\u7406\u7684\u5c40\u9650\u6027\uff1a<\/strong><\/p>\n\n\n\n

\u4e0d\u9002\u7528\u4e8e\u975e\u7ebf\u6027\u7535\u8def \uff1a\u53e0\u52a0\u539f\u7406\u53ea\u9002\u7528\u4e8e\u7ebf\u6027\u7535\u8def\uff0c\u5bf9\u4e8e\u975e\u7ebf\u6027\u7535\u8def\uff0c\u53e0\u52a0\u539f\u7406\u4e0d\u9002\u7528\u3002<\/p>\n\n\n\n

\u8ba1\u7b97\u91cf\u8f83\u5927 \uff1a\u5f53\u7535\u8def\u4e2d\u6709\u591a\u4e2a\u7535\u6e90\u65f6\uff0c\u9700\u8981\u5206\u522b\u8ba1\u7b97\u6bcf\u4e2a\u7535\u6e90\u5355\u72ec\u4f5c\u7528\u65f6\u7684\u7535\u6d41\u548c\u7535\u538b\uff0c\u7136\u540e\u8fdb\u884c\u53e0\u52a0\uff0c\u8ba1\u7b97\u91cf\u8f83\u5927\u3002<\/p>\n\n\n\n

2.3 \u7535\u538b\u6e90\u4e0e\u7535\u6d41\u6e90\u7684\u7b49\u6548\u53d8\u6362<\/h2>\n\n\n\n

\u5728\u8bb2\u89e3\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u56de\u987e\u4e00\u4e0b\u7535\u538b\u6e90\u548c\u7535\u6d41\u6e90\u7684\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n\n\n\n

\uff081\uff09\u7535\u538b\u6e90\u548c\u7535\u6d41\u6e90\u7684\u57fa\u672c\u6982\u5ff5<\/strong><\/p>\n\n\n\n

\u7535\u538b\u6e90 \uff1a\u7535\u538b\u6e90\u662f\u4e00\u79cd\u80fd\u591f\u63d0\u4f9b\u6052\u5b9a\u7535\u538b\u7684\u7535\u6e90\u3002\u7406\u60f3\u7535\u538b\u6e90\u7684\u5185\u963b\u4e3a\u96f6\uff0c\u80fd\u591f\u63d0\u4f9b\u6052\u5b9a\u7684\u7535\u538b\uff0c\u65e0\u8bba\u8d1f\u8f7d\u5982\u4f55\u53d8\u5316\u3002<\/p>\n\n\n\n

\u7535\u6d41\u6e90 \uff1a\u7535\u6d41\u6e90\u662f\u4e00\u79cd\u80fd\u591f\u63d0\u4f9b\u6052\u5b9a\u7535\u6d41\u7684\u7535\u6e90\u3002\u7406\u60f3\u7535\u6d41\u6e90\u7684\u5185\u963b\u4e3a\u65e0\u7a77\u5927\uff0c\u80fd\u591f\u63d0\u4f9b\u6052\u5b9a\u7684\u7535\u6d41\uff0c\u65e0\u8bba\u8d1f\u8f7d\u5982\u4f55\u53d8\u5316\u3002<\/p>\n\n\n\n

\u5728\u5b9e\u9645\u7535\u8def\u4e2d\uff0c\u7535\u538b\u6e90\u548c\u7535\u6d41\u6e90\u53ef\u4ee5\u8fdb\u884c\u7b49\u6548\u53d8\u6362\uff0c\u5373\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\uff0c\u4e00\u4e2a\u7535\u538b\u6e90\u53ef\u4ee5\u7b49\u6548\u4e3a\u4e00\u4e2a\u7535\u6d41\u6e90\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u8fd9\u79cd\u7b49\u6548\u53d8\u6362\u5728\u7535\u8def\u5206\u6790\u548c\u8bbe\u8ba1\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u53ef\u4ee5\u7b80\u5316\u7535\u8def\u5206\u6790\u8fc7\u7a0b\uff0c\u65b9\u4fbf\u7535\u8def\u7684\u8bbe\u8ba1\u548c\u8c03\u8bd5\u3002<\/p>\n\n\n\n

\u7535\u538b\u6e90\u548c\u7535\u6d41\u6e90\u53ef\u4ee5\u53d8\u6362\u7684\u539f\u56e0\u5728\u4e8e\u5b83\u4eec\u90fd\u662f\u63d0\u4f9b\u80fd\u91cf\u7684\u88c5\u7f6e\uff0c\u53ea\u662f\u8f93\u51fa\u7279\u6027\u4e0d\u540c<\/strong>\u3002\u7535\u538b\u6e90\u4fdd\u8bc1\u8f93\u51fa\u7535\u538b\u6052\u5b9a\uff0c\u800c\u7535\u6d41\u6e90\u4fdd\u8bc1\u8f93\u51fa\u7535\u6d41\u6052\u5b9a\u3002\u901a\u8fc7\u6b27\u59c6\u5b9a\u5f8b V=I\u00d7R\uff0c\u7535\u538b\u548c\u7535\u6d41\u53ef\u4ee5\u901a\u8fc7\u7535\u963b\u4e92\u76f8\u8f6c\u6362\u3002<\/p>\n\n\n\n

\u7535\u538b\u6e90\u4e0e\u7535\u6d41\u6e90\u7684\u7b49\u6548\u53d8\u6362\u9700\u8981\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\uff1a<\/p>\n\n\n\n

\u7535\u538b\u6e90\u7684\u5185\u963b \uff1a<\/strong>\u7535\u538b\u6e90\u7684\u5185\u963b\u5fc5\u987b\u7b49\u4e8e\u7535\u6d41\u6e90\u7684\u5185\u963b\u3002<\/p>\n\n\n\n

\u7535\u6d41\u6e90\u7684\u5185\u963b \uff1a<\/strong>\u7535\u6d41\u6e90\u7684\u5185\u963b\u5fc5\u987b\u7b49\u4e8e\u7535\u538b\u6e90\u7684\u5185\u963b\u3002<\/p>\n\n\n\n

\uff082\uff09\u7b49\u6548\u53d8\u6362\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n\n\n\n

\u7b49\u6548\u53d8\u6362\u7684\u8303\u56f4 \uff1a\u7535\u538b\u6e90\u4e0e\u7535\u6d41\u6e90\u7684\u7b49\u6548\u53d8\u6362\u53ea\u9002\u7528\u4e8e\u7ebf\u6027\u7535\u8def\uff0c\u5373\u7535\u8def\u4e2d\u7684\u5143\u4ef6\u90fd\u6ee1\u8db3\u7ebf\u6027\u5173\u7cfb\u3002<\/p>\n\n\n\n

\u7b49\u6548\u53d8\u6362\u7684\u6761\u4ef6 \uff1a\u7b49\u6548\u53d8\u6362\u65f6\uff0c\u5fc5\u987b\u4fdd\u8bc1\u7535\u538b\u6e90\u548c\u7535\u6d41\u6e90\u7684\u5185\u963b\u76f8\u7b49\u3002<\/p>\n\n\n\n

\u7b49\u6548\u53d8\u6362\u7684\u7ed3\u679c \uff1a\u7b49\u6548\u53d8\u6362\u540e\uff0c\u7535\u8def\u7684\u5916\u90e8\u7279\u6027\u4fdd\u6301\u4e0d\u53d8\uff0c\u4f46\u5185\u90e8\u7ed3\u6784\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n\n\n\n

2.4 \u6234\u7ef4\u5b81\u5b9a\u7406<\/h2>\n\n\n\n

\uff081\uff09\u5f15\u5165\u6234\u7ef4\u5b81\u5b9a\u7406\u7684\u80cc\u666f<\/strong><\/p>\n\n\n\n

\u5728\u5b9e\u9645\u7684\u7535\u8def\u5206\u6790\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u590d\u6742\u7684\u7535\u8def\uff0c\u8fd9\u4e9b\u7535\u8def\u53ef\u80fd\u5305\u542b\u591a\u4e2a\u7535\u6e90\u548c\u591a\u4e2a\u7535\u963b\u3002\u76f4\u63a5\u5bf9\u8fd9\u6837\u7684\u7535\u8def\u8fdb\u884c\u5206\u6790\u5f80\u5f80\u6bd4\u8f83\u7e41\u7410\u3002\u6709\u6ca1\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u7535\u8def\u7b80\u5316\uff0c\u4f7f\u5f97\u5206\u6790\u8fc7\u7a0b\u66f4\u52a0\u7b80\u4fbf\u5462\uff1f\u6234\u7ef4\u5b81\u5b9a\u7406\u5c31\u662f\u8fd9\u6837\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u591f\u5c06\u590d\u6742\u7684\u6709\u6e90\u4e8c\u7aef\u7f51\u7edc\u7b49\u6548\u4e3a\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u538b\u6e90\u548c\u7535\u963b\u7684\u4e32\u8054\u7ec4\u5408<\/strong>\u3002<\/p>\n\n\n\n

\uff082\uff09\u4ec0\u4e48\u662f\u6234\u7ef4\u5b81\u5b9a\u7406<\/strong><\/p>\n\n\n\n

\u6234\u7ef4\u5b81\u5b9a\u7406\u6307\u51fa\uff0c\u4efb\u4f55\u4e00\u4e2a\u7ebf\u6027\u6709\u6e90\u4e8c\u7aef\u7f51\u7edc\uff0c\u90fd\u53ef\u4ee5\u7b49\u6548\u4e3a\u4e00\u4e2a\u7406\u60f3\u7535\u538b\u6e90\u4e0e\u4e00\u4e2a\u7535\u963b\u7684\u4e32\u8054\u7ec4\u5408\u3002\u8fd9\u4e2a\u7406\u60f3\u7535\u538b\u6e90\u7684\u7535\u538b\u7b49\u4e8e\u6709\u6e90\u4e8c\u7aef\u7f51\u7edc\u7684\u5f00\u8def\u7535\u538b\uff0c\u800c\u8fd9\u4e2a\u7535\u963b\u7b49\u4e8e\u5c06\u7f51\u7edc\u5185\u90e8\u6240\u6709\u72ec\u7acb\u7535\u6e90\u7f6e\u96f6\u540e\u7684\u8f93\u5165\u7535\u963b\u3002<\/p>\n\n\n\n

\uff083\uff09\u7406\u89e3\u6234\u7ef4\u5b81\u5b9a\u7406<\/strong><\/p>\n\n\n\n

\u6211\u4eec\u53ef\u4ee5\u628a\u6234\u7ef4\u5b81\u5b9a\u7406\u60f3\u8c61\u6210\u628a\u4e00\u4e2a\u590d\u6742\u7684\u7535\u8def\u201c\u6253\u5305\u201d\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u538b\u6e90\u548c\u7535\u963b\u7684\u7ec4\u5408\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5728\u5206\u6790\u5916\u90e8\u7535\u8def\u65f6\uff0c\u5c31\u4e0d\u9700\u8981\u5173\u5fc3\u5185\u90e8\u590d\u6742\u7684\u7ed3\u6784\uff0c\u53ea\u9700\u8981\u8003\u8651\u8fd9\u4e2a\u7b80\u5355\u7684\u7b49\u6548\u7535\u8def\u5373\u53ef\u3002<\/p>\n\n\n\n

\uff084\uff09\u6234\u7ef4\u5b81\u5b9a\u7406\u7684\u5e94\u7528\u6b65\u9aa4<\/strong><\/p>\n\n\n\n

\u6c42\u5f00\u8def\u7535\u538b\uff1a\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u8ba1\u7b97\u6709\u6e90\u4e8c\u7aef\u7f51\u7edc\u7684\u5f00\u8def\u7535\u538b\u3002\u8fd9\u4e2a\u7535\u538b\u5c31\u662f\u5728\u7f51\u7edc\u7684\u8f93\u51fa\u7aef\u53e3\u5904\uff0c\u6ca1\u6709\u8fde\u63a5\u4efb\u4f55\u8d1f\u8f7d\u65f6\u7684\u7535\u538b\u3002<\/p>\n\n\n\n

\u6c42\u8f93\u5165\u7535\u963b\uff1a\u63a5\u4e0b\u6765\uff0c\u8981\u5c06\u7f51\u7edc\u5185\u90e8\u7684\u6240\u6709\u72ec\u7acb\u7535\u6e90\u7f6e\u96f6\uff08\u7535\u538b\u6e90\u77ed\u8def\uff0c\u7535\u6d41\u6e90\u5f00\u8def\uff09\uff0c\u7136\u540e\u8ba1\u7b97\u4ece\u8f93\u51fa\u7aef\u53e3\u770b\u8fdb\u53bb\u7684\u8f93\u5165\u7535\u963b\u3002<\/p>\n\n\n\n

\u6784\u5efa\u7b49\u6548\u7535\u8def\uff1a\u6709\u4e86\u5f00\u8def\u7535\u538b\u548c\u8f93\u5165\u7535\u963b\u540e\uff0c\u5c31\u53ef\u4ee5\u6784\u5efa\u51fa\u7b49\u6548\u7535\u8def\uff0c\u5373\u4e00\u4e2a\u7535\u538b\u6e90\uff08\u5f00\u8def\u7535\u538b\uff09\u4e0e\u4e00\u4e2a\u7535\u963b\uff08\u8f93\u5165\u7535\u963b\uff09\u7684\u4e32\u8054\u7ec4\u5408\u3002<\/p>\n\n\n\n

\uff085\uff09\u4e3e\u4f8b\u8bf4\u660e<\/strong><\/p>\n\n\n\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u590d\u6742\u7684\u7535\u8def\uff0c\u5176\u5f00\u8def\u7535\u538b\u4e3a10V\uff0c\u5185\u90e8\u7535\u963b\u4e3a2\u03a9\u3002\u6839\u636e\u6234\u7ef4\u5b81\u5b9a\u7406\uff0c\u8fd9\u4e2a\u590d\u6742\u7535\u8def\u5c31\u53ef\u4ee5\u7b49\u6548\u4e3a\u4e00\u4e2a10V\u7684\u7535\u538b\u6e90\u4e0e\u4e00\u4e2a2\u03a9\u7535\u963b\u7684\u4e32\u8054\u3002\u5982\u679c\u6211\u4eec\u5728\u7b49\u6548\u7535\u8def\u7684\u8f93\u51fa\u7aef\u53e3\u63a5\u4e0a\u4e00\u4e2a5\u03a9\u7684\u8d1f\u8f7d\u7535\u963b\uff0c\u90a3\u4e48\u901a\u8fc7\u8d1f\u8f7d\u7684\u7535\u6d41\u5c31\u53ef\u4ee5\u7528\u6b27\u59c6\u5b9a\u5f8b\u8f7b\u677e\u8ba1\u7b97\u51fa\u6765\uff1aI = 10V \/ (2\u03a9 +5\u03a9)= 10V\/7\u03a9\u22481.43A\u3002<\/p>\n\n\n\n

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