{"id":9,"date":"2024-04-04T03:04:44","date_gmt":"2024-04-04T00:04:44","guid":{"rendered":"https:\/\/sisu.ut.ee\/elektroonika\/26-pingejagur-potentsiomeeter-reostaat\/"},"modified":"2024-04-04T03:05:54","modified_gmt":"2024-04-04T00:05:54","slug":"26-pingejagur-potentsiomeeter-reostaat","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/elektroonika\/26-pingejagur-potentsiomeeter-reostaat\/","title":{"rendered":"2.6. Pingejagur, potentsiomeeter, reostaat"},"content":{"rendered":"<p><span data-mce-mark=\"1\">Selles loengus r\u00e4\u00e4gitakse jada\u00fchenduses takistite eriversioonist pingejagurist, mida saab kasutada suvalise (toitepingest v\u00e4iksema) pinge tekitamiseks. Pingejagur on kaks jadamisi \u00fchendatud takistit, mille otstele rakendatakse sisendpinge ning v\u00e4ljund pinge tuleb \u00fche otsa ja kahe takisti vahelt. Loengus n\u00e4idatakse, et kahe v\u00f5rdse takistusega takistiga pingejaguri puhul on v\u00e4ljund pinge 2 korda v\u00e4iksem sisendpingest. Samuti n\u00e4idatakse, kuidas arvutada erinevate takistitega pingejagurit ning kuidas pingejaguri skeemi makettplaadil koostada ja m\u00f5\u00f5ta. Lisaks kahest takistist koosnevale pingejagurile, on pingejaguriks ka sujuvalt reguleeritav potentsiomeeter. Loengus n\u00e4idatakse, kuidas potentsiomeetriga skeemi koostada, kuidas selle v\u00e4ljundpinge reguleerida ja m\u00f5\u00f5ta ning kuidas reguleerida h\u00f5\u00f5glambi heledust. Suuremate v\u00f5imsustega tarbijate reguleerimiseks kasutatakse potentsiomeetri asemel reostaati.<\/span><\/p>\n<p>Praktilise t\u00f6\u00f6 jaoks vajad j\u00e4rgmisi vahendeid:<\/p>\n<ul>\n<li>2 10 k\u2126 takistit<\/li>\n<li>1 22 k\u2126 takisti<\/li>\n<li>multimeeter<\/li>\n<li>nelja AA patareiga patareikarp<\/li>\n<li>potentsiomeeter<\/li>\n<li>h\u00f5\u00f5glamp<\/li>\n<\/ul>\n<p style=\"text-align: center\"><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><br><a style=\"background-color: #ffffff\" href=\"https:\/\/www.youtube.com\/watch?v=x-vBxjMLQMI\" target=\"_blank\" rel=\"noopener\"><\/a><\/span><\/span><\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/youtu.be\/x-vBxjMLQMI\" target=\"_blank\" rel=\"noopener\">https:\/\/youtu.be\/x-vBxjMLQMI<\/a><\/p>\n\n<p style=\"text-align: center\">\n<\/p><p style=\"text-align: left\"><img loading=\"lazy\" decoding=\"async\" width=\"249\" height=\"188\" class=\"alignnone wp-image-80\" src=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/189\/2-6-pilt1.png\" title=\"2-6-pilt1.png\" alt=\"2-6-pilt1.png\"><\/p>\n<p style=\"text-align: left\"><span id=\"docs-internal-guid-5797e69e-37b3-78a2-a155-e7be6aae45c5\" data-mce-mark=\"1\"><span data-mce-mark=\"1\">Pingejaguri v\u00e4ljundpinge (<\/span><span data-mce-mark=\"1\">U<\/span><span data-mce-mark=\"1\">v<\/span><span data-mce-mark=\"1\">) s\u00f5ltuvus sisendpingest \u00a0(<\/span><span data-mce-mark=\"1\">U<\/span><span data-mce-mark=\"1\">s<\/span><span data-mce-mark=\"1\">): $U_{V}=U_{S}cdot frac{R_{2}}{R_{1}+{R_{2}}}$<\/span><\/span><\/p>\n<h5 style=\"text-align: left\"><span data-mce-mark=\"1\"><span data-mce-mark=\"1\"><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!<\/span><\/span><\/h5>\n<p><span data-mce-mark=\"1\">Koosta pingejagur, kus takisti R<\/span><span data-mce-mark=\"1\">1<\/span><span data-mce-mark=\"1\"> on 2,2 k\u2126 ja R<\/span><span data-mce-mark=\"1\">2<\/span><span data-mce-mark=\"1\"> on 10 k\u2126. \u00dchenda pingejaguri sisendisse 6 V toiteallikas ning m\u00f5\u00f5da pingejaguri v\u00e4ljundpinge.\u00a0<\/span>Kontrolli tulemust arvutamise teel!<\/p>\n<p><\/p><div class=\"accordion mb-3\">\n        <div class=\"accordion-item accordion-item--white\">\n        <h2 class=\"accordion-header\" id=\"accordion-69dc409385f91-heading\">\n            <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#accordion-69dc409385f91-collapse\" aria-expanded=\"true\" aria-controls=\"accordion-69dc409385f91-collapse\">Vastus<\/button>\n        <\/h2>\n        <div id=\"accordion-69dc409385f91-collapse\" class=\"accordion-collapse collapse\" aria-labelledby=\"accordion-69dc409385f91-heading\">\n            <div class=\"accordion-body\">\n<p><span data-mce-mark=\"1\">$U_{V}=U_{S}cdot frac{R_{2}}{R_{1}+{R_{2}}}$<\/span><\/p>\n<p><span>$U_{V}=6cdot frac{10000}{2200+{10000}}=6cdot 0,82$ = <span style=\"color: #008000\"><strong>4,92V<\/strong><\/span><\/span><\/p>\n<p><\/p><\/div>\n        <\/div>\n        <\/div>\n    <\/div>\u00a0\n","protected":false},"excerpt":{"rendered":"<p>Selles loengus r\u00e4\u00e4gitakse jada\u00fchenduses takistite eriversioonist pingejagurist, mida saab kasutada suvalise (toitepingest v\u00e4iksema) pinge tekitamiseks. Pingejagur on kaks jadamisi \u00fchendatud takistit, mille otstele rakendatakse sisendpinge ning v\u00e4ljund pinge tuleb \u00fche otsa ja kahe takisti vahelt. Loengus n\u00e4idatakse, et kahe v\u00f5rdse &#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-9","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/9","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=9"}],"version-history":[{"count":1,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/9\/revisions"}],"predecessor-version":[{"id":264,"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/pages\/9\/revisions\/264"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/elektroonika\/wp-json\/wp\/v2\/media?parent=9"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}