{"id":10,"date":"2024-04-04T03:04:44","date_gmt":"2024-04-04T00:04:44","guid":{"rendered":"https:\/\/sisu.ut.ee\/elektroonika\/27-voimsus\/"},"modified":"2024-04-04T03:05:54","modified_gmt":"2024-04-04T00:05:54","slug":"27-voimsus","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/elektroonika\/27-voimsus\/","title":{"rendered":"2.7. V\u00f5imsus"},"content":{"rendered":"<p><span>Loengus r\u00e4\u00e4gitakse elektrilisest v\u00f5imsusest, mis on tarbijat l\u00e4biva voolu ja tema peale rakendatud pinge korrutis. Eralduvat v\u00f5imsust n\u00e4eme ja tajume tavaliselt kas valguse v\u00f5i soojusena. Loengus n\u00e4idatakse, kuidas m\u00f5\u00f5ta takisti peal hajuvat v\u00f5imsust. Selleks koostatakse skeem, kus takistile rakendatakse 6V pinge ning m\u00f5\u00f5detakse pinge ja voolu. Pingest ja voolust saab v\u00e4lja arvutada eralduva v\u00f5imsuse. Lisaks n\u00e4idatakse erineva v\u00f5imsustaluvusega takisteid ning samuti seda, mis juhtub takistiga, kui talle lubatud maksimaalne v\u00f5imsus \u00fcletada. Loengu viimases osas tutvustatakse sulavkaitset, mille \u00fclesandeks on kaitsta elektroonikakomponente liiga suure voolu eest. Voolu \u00fcletamisel sulavkaitse p\u00f5leb l\u00e4bi ning katkestab vooluringi.<\/span><\/p>\n<p>Praktilise t\u00f6\u00f6 jaoks vajad j\u00e4rgmisi vahendeid:<\/p>\n<ul>\n<li>makettplaat<\/li>\n<li>nelja AA patareiga patareikarp<\/li>\n<li>100 \u2126 takisti<\/li>\n<li>2 multimeeterit (voltmeeter ja ampermeeter)<\/li>\n<\/ul>\n<p><span>Kuigi kursuse \u00f5ppekomplektis \u00fcks multimeeter, n\u00e4idatakse loengus parema arusaadavuse huvides seda m\u00f5\u00f5tmist kahe multimeetriga. Praktilist t\u00f6\u00f6d on v\u00f5imalik teha ka \u00fche multimeetriga, kui n\u00e4iteks k\u00f5igepealt m\u00f5\u00f5ta \u00e4ra pinge ja seej\u00e4rel \u00fchendada multimeeter ringi ning m\u00f5\u00f5ta \u00e4ra vool.<\/span><\/p>\n<p><span><span><div class=\"ratio ratio-16x9 mb-3\"><div class=\"video-placeholder-wrapper video-placeholder-wrapper--16x9\">\n\t\t\t    <div class=\"video-placeholder d-flex justify-content-center align-items-center\">\n\t\t\t        <div class=\"overlay text-white p-2 w-100 text-center d-block justify-content-center align-items-center\">\n\t\t\t            <div>Kolmandate osapoolte sisu n\u00e4gemiseks palun n\u00f5ustu k\u00fcpsistega.<\/div>\n\t\t\t            <button class=\"btn btn-secondary btn-sm mt-1 consent-change\">Muuda n\u00f5usolekut<\/button>\n\t\t\t        <\/div>\n\t\t\t    <\/div>\n\t\t\t<\/div>\n<\/div><a style=\"background-color: #ffffff\" href=\"https:\/\/youtu.be\/37ZbiG3-Fto\" target=\"_blank\" rel=\"noopener\"><\/a><\/span><\/span><\/p>\n<p style=\"text-align: center\"><span><span><a style=\"background-color: #ffffff\" href=\"https:\/\/youtu.be\/37ZbiG3-Fto\" target=\"_blank\" rel=\"noopener\">https:\/\/youtu.be\/37ZbiG3-Fto<\/a><\/span><\/span><\/p>\n\n<h5><span><span><img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"40\" class=\"alignnone wp-image-78\" style=\"margin-left: 10px;margin-right: 10px\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/tahtis.png\" title=\"tahtis.png\" alt=\"tahtis.png\">\u00a0J\u00e4ta meelde!<\/span><\/span><\/h5>\n<p style=\"padding-left: 60px\"><strong>Elektrilise v\u00f5imsuse valem on P = U \u00b7\u00a0I<\/strong><\/p>\n<p style=\"padding-left: 60px\"><strong>V\u00f5imsuse \u00fchik on W \u2013 vatt<\/strong><\/p>\n<h5><img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"40\" class=\"alignnone wp-image-79\" style=\"margin-left: 10px;margin-right: 10px\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/katse.png\" title=\"katse.png\" alt=\"katse.png\">\u00a0Tee kaasa!<\/h5>\n<p><span>M\u00f5\u00f5da 6 V toiteallika k\u00fclge \u00fchendatud 1 k\u2126 takistil eralduv v\u00f5imsus. Selleks tuleb k\u00f5igepealt multimeetriga m\u00f5\u00f5ta takisti peal olev pinge ning seej\u00e4rel \u00fchendada skeemi jadamisi 20 mA m\u00f5\u00f5tepiirkonna peale seadistatud multimeeter, et m\u00f5\u00f5ta takistit l\u00e4biv vool.<\/span><\/p>\n<p><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69d2bde39fe25-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69d2bde39fe25-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69d2bde39fe25-collapse\">Vastus<\/button>\n        <\/h2>\n        <div id=\"accordion-69d2bde39fe25-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69d2bde39fe25-heading\">\n            <div class=\"accordion-body\">\n<p>M\u00f5\u00f5detud pinge U = 6 V.<\/p>\n<p>M\u00f5\u00f5detud vool I = 6 mA = 0,006 A.<\/p>\n<p>P = U \u00b7\u00a0I = 60,006 = <span style=\"color: #008000\"><strong>0,036 W<\/strong><\/span>.<\/p>\n<p><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Loengus r\u00e4\u00e4gitakse elektrilisest v\u00f5imsusest, mis on tarbijat l\u00e4biva voolu ja tema peale rakendatud pinge korrutis. Eralduvat v\u00f5imsust n\u00e4eme ja tajume tavaliselt kas valguse v\u00f5i soojusena. Loengus n\u00e4idatakse, kuidas m\u00f5\u00f5ta takisti peal hajuvat v\u00f5imsust. Selleks koostatakse skeem, kus takistile rakendatakse 6V &#8230;<\/p>\n","protected":false},"author":93,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-10","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/10","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/users\/93"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/comments?post=10"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/10\/revisions"}],"predecessor-version":[{"id":265,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/10\/revisions\/265"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/media?parent=10"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}