{"id":85,"date":"2019-02-10T17:02:02","date_gmt":"2019-02-10T22:02:02","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/?post_type=chapter&#038;p=85"},"modified":"2019-09-30T17:03:23","modified_gmt":"2019-09-30T21:03:23","slug":"coulombs-law","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/chapter\/coulombs-law\/","title":{"raw":"Coulomb's Law","rendered":"Coulomb&#8217;s Law"},"content":{"raw":"[caption id=\"attachment_163\" align=\"alignleft\" width=\"240\"]<img src=\"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb-240x300.jpg\" alt=\"\" width=\"240\" height=\"300\" class=\"wp-image-163 size-medium\" \/> Figure 3. Charles Coulomb[\/caption]\r\n\r\nCharles Augustin Coulomb was a scientist after whom the unit of charge was named. Coulomb\u2019s Law states:\r\n<blockquote><em>\u00a0 \u00a0A force exists between two point-source charges that is directly proportional to the product of the two charges and inversely proportional to the square of the distance between the charges.<\/em><\/blockquote>\r\nA<strong> coulomb<\/strong> is the unit of charge, symbolized by C. One coulomb is the total charge carried by 6.25 X 10<sup>18<\/sup> electrons.\r\n\r\n&nbsp;\r\n\r\nA formula to calculate the coulombs of charge for a certain number of electrons is shown below:\r\n\r\n[latex size=\"2\"]Q=\\frac{Number of electrons}{6.25 X 10^{18}C}[\/latex]\r\n<div class=\"textbox textbox--exercises\"><header class=\"textbox__header\">\r\n<h2 class=\"textbox__title\" style=\"text-align: center\"><span style=\"color: #ffffff\">Example<\/span><\/h2>\r\n<\/header>\r\n<div class=\"textbox__content\">\r\n\r\nHow many coulombs of charge do 65.5 X 10<sup>31\u00a0<\/sup>electrons have?\r\n\r\n[latex size=\"2\"]Q=\\frac{65.5 X 10^{31} electrons}{6.25 X 10^{18} C}= 104.8 X 10^{12} C [\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n&nbsp;","rendered":"<figure id=\"attachment_163\" aria-describedby=\"caption-attachment-163\" style=\"width: 240px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb-240x300.jpg\" alt=\"\" width=\"240\" height=\"300\" class=\"wp-image-163 size-medium\" srcset=\"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb-240x300.jpg 240w, https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb-65x81.jpg 65w, https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb-225x282.jpg 225w, https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb-350x438.jpg 350w, https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-content\/uploads\/sites\/549\/2019\/02\/Charles_de_coulomb.jpg 492w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><figcaption id=\"caption-attachment-163\" class=\"wp-caption-text\">Figure 3. Charles Coulomb<\/figcaption><\/figure>\n<p>Charles Augustin Coulomb was a scientist after whom the unit of charge was named. Coulomb\u2019s Law states:<\/p>\n<blockquote><p><em>\u00a0 \u00a0A force exists between two point-source charges that is directly proportional to the product of the two charges and inversely proportional to the square of the distance between the charges.<\/em><\/p><\/blockquote>\n<p>A<strong> coulomb<\/strong> is the unit of charge, symbolized by C. One coulomb is the total charge carried by 6.25 X 10<sup>18<\/sup> electrons.<\/p>\n<p>&nbsp;<\/p>\n<p>A formula to calculate the coulombs of charge for a certain number of electrons is shown below:<\/p>\n<p>[latex]Q=\\frac{Number of electrons}{6.25 X 10^{18}C}[\/latex]<\/p>\n<div class=\"textbox textbox--exercises\">\n<header class=\"textbox__header\">\n<h2 class=\"textbox__title\" style=\"text-align: center\"><span style=\"color: #ffffff\">Example<\/span><\/h2>\n<\/header>\n<div class=\"textbox__content\">\n<p>How many coulombs of charge do 65.5 X 10<sup>31\u00a0<\/sup>electrons have?<\/p>\n<p>[latex]Q=\\frac{65.5 X 10^{31} electrons}{6.25 X 10^{18} C}= 104.8 X 10^{12} C[\/latex]<\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"author":422,"menu_order":3,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-85","chapter","type-chapter","status-publish","hentry"],"part":71,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/chapters\/85","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/wp\/v2\/users\/422"}],"version-history":[{"count":13,"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/chapters\/85\/revisions"}],"predecessor-version":[{"id":297,"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/chapters\/85\/revisions\/297"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/parts\/71"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/chapters\/85\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/wp\/v2\/media?parent=85"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/pressbooks\/v2\/chapter-type?post=85"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/wp\/v2\/contributor?post=85"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/basicelectricity\/wp-json\/wp\/v2\/license?post=85"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}