{"id":424,"date":"2015-01-05T01:53:29","date_gmt":"2015-01-04T17:53:29","guid":{"rendered":"http:\/\/wp.iur.me\/?p=424"},"modified":"2022-11-06T20:14:48","modified_gmt":"2022-11-06T12:14:48","slug":"%e7%94%b5%e9%98%bb%e4%b8%8e%e6%b8%a9%e5%ba%a6%e7%9a%84%e5%85%b3%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/www.iur.me\/?p=424","title":{"rendered":"\u7535\u963b\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb"},"content":{"rendered":"
\n
\n
\u89e3\uff1a\u706f\u6ce1\u6b63\u5e38\u5de5\u4f5c\u65f6\u7535\u963b\uff0c\u4e5f\u5c31\u662f\u6e29\u5ea6\u4e3a2000\u2103\u65f6\u7684\u7535\u963b\uff1aRt<\/sub>=<\/span><\/span><\/span><\/p>\n\n\n\n\n
U<\/span>2<\/span><\/span><\/td>\n<\/tr>\n
P<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>=<\/span><\/span><\/span><\/p>\n\n\n\n\n
(220V)<\/span>2<\/span><\/span><\/td>\n<\/tr>\n
100W<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>=484\u03a9\uff0e
\n\u706f\u4e1d\u57280\u2103\u65f6\u7684\u7535\u963b\u4e3aR0<\/sub>=<\/span><\/span><\/span><\/p>\n\n\n\n\n
R<\/span>t<\/span><\/span><\/td>\n<\/tr>\n
1+0.0045t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>=<\/span><\/span><\/span><\/p>\n\n\n\n\n
484<\/td>\n<\/tr>\n
1+0.0045\u00d72000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/span>\u03a9=48.4\u03a9\uff0e
\n\u6e29\u5ea6\u4e3a20\u2103\u706f\u4e1d\u7535\u963b\u4e3aRt<\/sub>\u2032=R0<\/sub>\uff081+0.0045t\uff09=48.4\u00d7\uff081+0.0045\u00d720\uff09\u03a9=52.8\u03a9\uff0e
\n\u7b54\uff1a\u201c220V\u00a0100W\u201d\u7684\u767d\u70bd\u706f\u7684\u706f\u4e1d\u5728\u4e0d\u901a\u7535\u65f6\uff08\u8bbe\u5176\u6e29\u5ea6\u4e3a20\u2103\uff09\u7684\u7535\u963b\u4e3a52.8\u03a9\uff0e<\/span><\/p>\n

<\/div>\n
<\/div>\n<\/div>\n
<\/div>\n<\/div>\n<\/div>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

\u89e3\uff1a\u706f\u6ce1\u6b63\u5e38\u5de5\u4f5c\u65f6\u7535\u963b\uff0c\u4e5f\u5c31\u662f\u6e29\u5ea6\u4e3a2000\u2103\u65f6\u7684\u7535\u963b\uff1aRt= U2 P = (220V)2 100W =48 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-424","post","type-post","status-publish","format-standard","hentry","category-8"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.iur.me\/index.php?rest_route=\/wp\/v2\/posts\/424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iur.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iur.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iur.me\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iur.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424"}],"version-history":[{"count":1,"href":"https:\/\/www.iur.me\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions"}],"predecessor-version":[{"id":659,"href":"https:\/\/www.iur.me\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions\/659"}],"wp:attachment":[{"href":"https:\/\/www.iur.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iur.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iur.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}