{"id":176,"date":"2023-07-30T13:46:08","date_gmt":"2023-07-30T17:46:08","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/?post_type=chapter&#038;p=176"},"modified":"2023-11-03T12:42:36","modified_gmt":"2023-11-03T16:42:36","slug":"watts-law","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/chapter\/watts-law\/","title":{"raw":"Watt's Law","rendered":"Watt&#8217;s Law"},"content":{"raw":"<strong><span style=\"color: #0000ff;\">Watt\u2019s law<\/span><\/strong> defines the relationship between power, voltage and current and states that the power in a circuit is a product of the voltage and the current. There are many practical applications of Watt\u2019s law, and the formula to calculate Watt\u2019s Law is P = IV.\r\n\r\nPeople often ask, what is the difference between Watt\u2019s law and Ohm\u2019s law? While Ohm\u2019s law defines the relationship between resistance, voltage, and current in a circuit; Watt\u2019s law defines the relationship between power, voltage, and current. These formulas can also be used to derive several other formulas.\r\n\r\n<img class=\"wp-image-561 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/WattsLaw.jpg\" alt=\"\" width=\"341\" height=\"205\" \/>\u00a0<img class=\"size-full wp-image-562 alignright\" src=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/WattsLaw2.jpg\" alt=\"\" width=\"223\" height=\"224\" \/>\r\n\r\n<img class=\"size-medium wp-image-735 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3-300x230.png\" alt=\"\" width=\"300\" height=\"230\" \/>\r\n\r\nIn this DC circuit, the switch is closed (turned ON).\r\n<ul>\r\n \t<li>Voltage is the power source\u2014the \u201cpotential difference\u201d between the battery\u2019s two poles\u2014is activated, creating pressure that forces electrons to flow, as current, out the battery\u2019s negative terminal.<\/li>\r\n \t<li>Current reaches the light, causing it to glow.<\/li>\r\n \t<li>Current returns to the power source.<\/li>\r\n<\/ul>\r\nA household AA alkaline battery, offers 1.5 V. Typical household electrical outlets offer 120 V. The greater the voltage in a circuit, the greater its ability to \u201cpush\u201d more electrons and do work.","rendered":"<p><strong><span style=\"color: #0000ff;\">Watt\u2019s law<\/span><\/strong> defines the relationship between power, voltage and current and states that the power in a circuit is a product of the voltage and the current. There are many practical applications of Watt\u2019s law, and the formula to calculate Watt\u2019s Law is P = IV.<\/p>\n<p>People often ask, what is the difference between Watt\u2019s law and Ohm\u2019s law? While Ohm\u2019s law defines the relationship between resistance, voltage, and current in a circuit; Watt\u2019s law defines the relationship between power, voltage, and current. These formulas can also be used to derive several other formulas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-561 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/WattsLaw.jpg\" alt=\"\" width=\"341\" height=\"205\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-562 alignright\" src=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/WattsLaw2.jpg\" alt=\"\" width=\"223\" height=\"224\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-735 aligncenter\" src=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3-300x230.png\" alt=\"\" width=\"300\" height=\"230\" srcset=\"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3-300x230.png 300w, https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3-65x50.png 65w, https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3-225x173.png 225w, https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3-350x269.png 350w, https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-content\/uploads\/sites\/2022\/2023\/07\/Electrical-Circuit-3.png 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>In this DC circuit, the switch is closed (turned ON).<\/p>\n<ul>\n<li>Voltage is the power source\u2014the \u201cpotential difference\u201d between the battery\u2019s two poles\u2014is activated, creating pressure that forces electrons to flow, as current, out the battery\u2019s negative terminal.<\/li>\n<li>Current reaches the light, causing it to glow.<\/li>\n<li>Current returns to the power source.<\/li>\n<\/ul>\n<p>A household AA alkaline battery, offers 1.5 V. Typical household electrical outlets offer 120 V. The greater the voltage in a circuit, the greater its ability to \u201cpush\u201d more electrons and do work.<\/p>\n","protected":false},"author":2001,"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-176","chapter","type-chapter","status-publish","hentry"],"part":172,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/chapters\/176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/wp\/v2\/users\/2001"}],"version-history":[{"count":6,"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/chapters\/176\/revisions"}],"predecessor-version":[{"id":919,"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/chapters\/176\/revisions\/919"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/parts\/172"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/chapters\/176\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/wp\/v2\/media?parent=176"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/pressbooks\/v2\/chapter-type?post=176"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/wp\/v2\/contributor?post=176"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/tradeskillsforsuccessnumeracy\/wp-json\/wp\/v2\/license?post=176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}