{"id":1143,"date":"2024-03-10T03:46:02","date_gmt":"2024-03-09T20:46:02","guid":{"rendered":"http:\/\/www.tneutron.net\/elektro\/?p=1143"},"modified":"2024-03-05T12:47:04","modified_gmt":"2024-03-05T05:47:04","slug":"electrical-power","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/elektro\/electrical-power\/","title":{"rendered":"Electrical Power"},"content":{"rendered":"

Electrical energy is useful to us because it can be converted into other forms of energy.<\/span> In the power tools such as electric heaters, electric stoves, and air conditioning, electrical energy is converted into heat energy in the wire barriers known as “heating elements”.<\/span> Then, in a lot of light (Figure 7.4), a small wire filament becomes so hot that it shines.<\/span> Only a few percent of the electrical energy is converted into visible light, and the rest more than 90% into heat energy.<\/span>
\n\"image\"<\/a>
\n Pictures 1:20 filament wire convert electrical energy into light<\/span><\/p>\n

Electrical energy can be converted into heat energy or light on power tools, because the flow is usually rather large, and a lot of collisions between electrons and atoms in the wire.<\/span> At each collision, a transfer of energy from electrons to atoms ground it, so that the kinetic energy of atoms increases and causes higher temperature wire elements.<\/span> If you attend an electric iron which is connected to the source voltage, it is not how long it will be hot.<\/span><\/p>\n

This happens because of the effort to move the electric charge at any time in the electrical circuit that is equal to the electrical energy is converted into heat energy.<\/span> The amount of energy per unit of time is called power.<\/span> The power is converted by the electrical equipment is energy that changed when the charge Q moving across a potential difference of V. electrical power is the rate of change of energy per unit time, formulated:<\/span>
\n\"image\"<\/a><\/p>\n

Charge flowing per unit time Q \/ t is an electric current, I, so we get:<\/span>
\n\"image\"<\/a><\/p>\n

The above equation shows that the generated power can be changed by a device for the value of the current I passing through and the potential difference V between the ends of the conductor.<\/span> The SI unit of electrical power is a watt (1 W = 1 J \/ s).<\/span> Power or rate of change of energy on resistance R can be written based on Ohm’s Law as follows: According to Ohm’s Law the power equation can be written:<\/span>
\n\"image\"<\/a>
\n Description:<\/span>
\n P: power (W)<\/span>
\n W: electrical energy (J)<\/span>
\n V: power supply voltage (V)<\/span>
\n I: strong electric current (A)<\/span>
\n R: electrical resistance (\u03a9)<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Electrical energy is useful to us because it can be converted into other forms of energy. In the power tools<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[2232],"tags":[1459,1463,1460,1465,1462,1468,1466,1467,1461,1464],"class_list":["post-1143","post","type-post","status-publish","format-standard","hentry","category-english","tag-electrical-power","tag-electrical-power-calculator","tag-electrical-power-equation","tag-electrical-power-formula","tag-electrical-power-is-measured-in","tag-electrical-power-plant","tag-electrical-power-pole","tag-electrical-power-strips","tag-electrical-power-systems","tag-electrical-power-wheel"],"yoast_head":"\nElectrical Power - TN Elektro<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tneutron.net\/elektro\/electrical-power\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Electrical Power - TN Elektro\" \/>\n<meta name=\"twitter:description\" content=\"Electrical energy is useful to us because it can be converted into other forms of energy. 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