{"id":2631,"date":"2009-09-18T12:46:15","date_gmt":"2009-09-18T04:46:15","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=2631"},"modified":"2021-10-06T16:46:56","modified_gmt":"2021-10-06T08:46:56","slug":"%e8%9e%ba%e7%b7%9a%e7%ae%a1%ef%bc%88solenoid%ef%bc%89","status":"publish","type":"post","link":"http:\/\/localhost\/%e8%9e%ba%e7%b7%9a%e7%ae%a1%ef%bc%88solenoid%ef%bc%89\/","title":{"rendered":"\u87ba\u7dda\u7ba1\uff08Solenoid\uff09"},"content":{"rendered":"<div class=\"pf-content\"><p><span style=\"color: #ff6600;\"><strong>\u87ba\u7dda\u7ba1\uff08Solenoid\uff09<\/strong><\/span><br \/>\n<span style=\"color: #008000;\">\u53f0\u4e2d\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u5b78\u7cfb\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb\u7de8\u8f2f<\/span><\/p>\n<p>\u6240\u8b02\u7684\u87ba\u7dda\u7ba1\uff0c\u6307\u7684\u662f\u7531\u4e00\u8cea\u5730\u5747\u52fb\u7684\u91d1\u5c6c\u5c0e\u7dda\uff0c\u6240\u7e8f\u7e5e\u800c\u6210\u7684\u91d1\u5c6c\u7dda\u5708\uff0c\u82e5\u73fe\u5728\u6709\u4e00\u96fb\u6d41\u901a\u904e\uff0c\u87ba\u7dda\u7ba1\u4fbf\u6703\u7522\u751f\u78c1\u5834\uff0c\u5982\u4e0b\u5716<\/p>\n<p><a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2009\/09\/solenoid-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-13391\" title=\"solenoid-1\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2009\/09\/solenoid-1.png\" alt=\"\" width=\"550\" height=\"159\" \/><\/a><\/p>\n<p>\u82e5\u6d41\u5165\u5e73\u9762\u7684\u5c0e\u7dda\u4e2d\u9593\u6709\u4e00\u9ede $$P$$\uff0c\u6839\u64da\u5b89\u57f9\u53f3\u624b\u5b9a\u5247\uff0c$$P$$ \u9ede\u5de6\u908a\u7684\u5c0e\u7dda\u6703\u7d66\u4e88 $$P$$ \u9ede\u5411\u4e0b\u7684\u78c1\u5834\uff0c\u800c $$P$$ \u9ede\u53f3\u908a\u7684\u5c0e\u7dda\u5247\u6703\u7d66\u4e88\u5411\u4e0a\u7684\u78c1\u5834\uff0c\u5927\u5c0f\u76f8\u7b49\u4f46\u65b9\u5411\u76f8\u53cd\uff0c\u5f7c\u6b64\u4e92\u76f8\u62b5\u6d88\uff0c\u6700\u5f8c\u7684\u7d50\u679c\uff0c\u4fbf\u5982\u5716\u6240\u793a\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u5b89\u57f9\u53f3\u624b\u5b9a\u5247\u77e5\u9053\u5167\u90e8\u78c1\u5834\u7684\u65b9\u5411\uff0c\u56db\u6307\u5f4e\u66f2\u6307\u5411\u96fb\u6d41\u65b9\u5411\uff0c\u6b64\u6642\u5927\u62c7\u6307\u6240\u6307\u7684\u5c31\u662f\u5167\u90e8\u78c1\u5834\u7684\u65b9\u5411\u3002\u82e5\u6b64\u87ba\u7dda\u7ba1\u7e8f\u7e5e\u7684\u975e\u5e38\u5747\u52fb\u3001\u7dca\u5bc6\uff0c\u4e14\u9577\u5ea6\u9060\u5927\u65bc\u53e3\u5f91\uff0c\u5247\u5167\u90e8\u7684\u78c1\u5834\u4fbf\u53ef\u8996\u70ba\u5747\u52fb\u5206\u5e03\u3002<!--more--><\/p>\n<p>\u6839\u64da\u5b89\u57f9\u5b9a\u5f8b\u8a08\u7b97\u7684\u7d50\u679c(\u5c0d\u4e00\u5c01\u9589\u66f2\u7dda\u78c1\u5834\u7684\u74b0\u5834\u7a4d\uff0c\u5176\u8a08\u7b97\u7d50\u679c\u53ea\u548c\u6b64\u5c01\u9589\u7bc4\u570d\u5167\u901a\u904e\u7684\u7e3d\u96fb\u6d41\u6709\u95dc)\uff0c\u6211\u5011\u77e5\u9053\uff0c\u7406\u60f3\u87ba\u7dda\u7ba1\u5167\u90e8\u6240\u7522\u751f\u7684\u78c1\u5834\u5927\u5c0f\u70ba:<\/p>\n<p style=\"text-align: center;\">$$\\displaystyle B=\\mu_0nI=\\mu_0\\frac{N}{L}I$$<\/p>\n<p>\uff08\u5176\u4e2d $$n$$ \u70ba\u55ae\u4f4d\u9577\u5ea6\u5167\u7684\u7dda\u5708\u531d\u6578\u3001$$N$$ \u70ba\u7e3d\u7dda\u5708\u531d\u6578\u3001$$L$$ \u70ba\u87ba\u7dda\u7ba1\u7e3d\u9577\u5ea6\u3001$$I$$ \u70ba\u96fb\u6d41\uff09<\/p>\n<p>\u82e5\u5c07\u8edf\u9435\u82af\u63d2\u5165\u87ba\u7dda\u7ba1\uff0c\u56e0\u70ba\u8edf\u9435\u82af\u70ba\u9435\u78c1\u6027\u7269\u8cea\uff0c\u9032\u5165\u78c1\u5834\u4e2d\u6703\u88ab\u78c1\u5316\uff0c\u56e0\u6b64\u78c1\u5834\u6703\u589e\u52a0\u3002\u56e0\u70ba\u901a\u96fb\u6703\u7522\u751f\u78c1\u5834\uff0c\u56e0\u6b64\uff0c\u901a\u96fb\u7684\u87ba\u7dda\u7ba1\u4e5f\u662f\u96fb\u78c1\u9435\u7684\u4e00\u7a2e\uff0c\u82e5\u8981\u52a0\u5927\u78c1\u5834\u53ef\u85c9\u7531\u589e\u52a0\u55ae\u4f4d\u7dda\u5708\u7684\u5bc6\u5ea6\u3001\u96fb\u6d41\u5f37\u5ea6\u53ca\u63d2\u5165\u9435\u78c1\u6027\u7269\u8cea\uff0c\u56e0\u6b64\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u4f86\u64cd\u7e31\u78c1\u5834\uff0c\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<p>\u5176\u4ed6\u61c9\u7528\u50cf\u662f\u96fb\u6d41\u5929\u5e73\uff0c\u56e0\u70ba\u87ba\u7dda\u7ba1\u53ef\u7522\u751f\u5747\u52fb\u7684\u78c1\u5834\uff0c\u6211\u5011\u5c07\u4e00\u8f09\u6709\u96fb\u6d41\u7684\u77e9\u5f62\u5c0e\u7dda\u63d2\u5165\u87ba\u7dda\u7ba1\u4e2d\uff0c\u6b64\u6642\u5c0e\u7dda\u4fbf\u6703\u53d7\u5230\u4e00\u78c1\u529b\u7684\u5f71\u97ff\u7522\u751f\u504f\u8f49\uff0c\u5728\u77e9\u5f62\u5c0e\u7dda\u7684\u53e6\u4e00\u7aef\u6211\u5011\u53ef\u4ee5\u639b\u4e00\u500b\u91cd\u7269\uff0c\u7528\u4ee5\u7d66\u4e88\u4e00\u500b\u53cd\u5411\u7684\u529b\uff0c\u85c9\u7531\u8abf\u6574\u5c0e\u7dda\u7684\u96fb\u6d41\u5927\u5c0f\u6216\u6539\u8b8a\u78c1\u5834\u5927\u5c0f\u4f86\u5f97\u5230\u6de8\u529b\u77e9\u5e73\u8861\uff0c\u518d\u6839\u64da\u96fb\u6d41\u7684\u8b80\u6578\u4fbf\u53ef\u63a8\u7b97\u51fa\u91cd\u7269\u7684\u8cea\u91cf\u4e86\u3002<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599: <\/strong><br \/>\n<a href=\"http:\/\/en.wikipedia.org\/wiki\/Solenoid\" target=\"_blank\">http:\/\/en.wikipedia.org\/wiki\/Solenoid<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u87ba\u7dda\u7ba1\uff08Solenoid\uff09 \u53f0\u4e2d\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u5b78\u7cfb\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb\u7de8\u8f2f &hellip;<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,30,27],"tags":[1918,1931],"class_list":["post-2631","post","type-post","status-publish","format-standard","hentry","category-physics00","category-physics06-03","category-physics06","tag-1918","tag-1931","loop-entry","cat-107","cat-30","cat-27","no-thumbnail"],"views":22014,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/2631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=2631"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/2631\/revisions"}],"predecessor-version":[{"id":90295,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/2631\/revisions\/90295"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=2631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=2631"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=2631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}