{"id":277,"date":"2020-02-21T18:30:00","date_gmt":"2020-02-21T17:30:00","guid":{"rendered":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/?page_id=277"},"modified":"2020-02-21T18:30:00","modified_gmt":"2020-02-21T17:30:00","slug":"28-reostato-a-cursore","status":"publish","type":"page","link":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/28-reostato-a-cursore\/","title":{"rendered":"28.  Reostato a cursore"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"346\" src=\"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-content\/uploads\/2020\/02\/20200121_161035-1024x346.jpg\" alt=\"\" class=\"wp-image-278\" srcset=\"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-content\/uploads\/2020\/02\/20200121_161035-1024x346.jpg 1024w, https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-content\/uploads\/2020\/02\/20200121_161035-300x101.jpg 300w, https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-content\/uploads\/2020\/02\/20200121_161035-768x259.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>IT<\/strong> &#8211; Inventato alla met\u00e0 del 1800 dal fisico britannico Charles Wheatstone, esso rappresenta una resistenza variabile. E\u2019 costituito da un filo conduttore ad alta resistivit\u00e0 avvolto a spire strette su un supporto isolante; un cursore a contatto strisciante col filo pu\u00f2 essere spostato manualmente su una guida parallela all\u2019asse dell\u2019avvolgimento, andando cos\u00ec a variare la lunghezza del tratto percorso dalla corrente, e quindi in modo proporzionale la resistenza elettrica. Agli estremi dell\u2019avvolgimento sono presenti due morsetti. <\/p>\n\n\n\n<p><strong>GB <\/strong>&#8211;  Slider rheostat &#8211; Invented in the mid-1800s by the British physicist\nCharles Wheatstone, it represents a variable resistance. It consists of a high\nresistivity conductor wire wound in tight turns on an insulating support; a\nslider in sliding contact with the wire can be moved manually on a guide\nparallel to the axis of the winding, thus varying the length of the section\ncovered by the current, and therefore proportionally the electrical resistance.\nAt the ends of the winding there are two terminals.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IT &#8211; Inventato alla met\u00e0 del 1800 dal fisico britannico Charles Wheatstone, esso rappresenta una resistenza variabile. E\u2019 costituito da un filo conduttore ad alta resistivit\u00e0 avvolto a spire strette&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/pages\/277"}],"collection":[{"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/comments?post=277"}],"version-history":[{"count":1,"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/pages\/277\/revisions"}],"predecessor-version":[{"id":280,"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/pages\/277\/revisions\/280"}],"wp:attachment":[{"href":"https:\/\/www.liceoalessandrovolta.edu.it\/measurement\/wp-json\/wp\/v2\/media?parent=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}