{"id":1120,"date":"2024-03-06T04:38:30","date_gmt":"2024-03-05T21:38:30","guid":{"rendered":"http:\/\/www.tneutron.net\/elektro\/?p=1120"},"modified":"2024-03-05T12:47:03","modified_gmt":"2024-03-05T05:47:03","slug":"electric-current","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/elektro\/electric-current\/","title":{"rendered":"Electric Current"},"content":{"rendered":"

Electricity has been around since the existence of this universe, even when life on this planet does not exist.<\/span> Very strong lightning bolts can light up the sky.<\/span> Lightning is a natural phenomenon that indicates the existence of electrical energy.<\/span> In line with the development of life, electricity became a very important part in human life.<\/span> Almost all equipment used by humans utilize electrical energy assistance.<\/span><\/p>\n

Electricity is basically divided into two kinds, namely static electricity (related to the electrical charge at rest) and dynamic power (related to electric charges in motion).<\/span> At the time of the switch in an electrical circuit is closed, the light goes on, and vice versa when the switch is opened the light goes off.<\/span> Why is that?<\/span><\/p>\n

Electricity is formed due to the mechanical energy from the generator which causes a change in the magnetic field around the coil.<\/span> This change causes the flow of electrical charge on the wire \/ conductor.<\/span> The flow of electrical charge on the wire You know as electric current.<\/span> Flow of charge can be either positive charges (protons) and negative charge (electrons).<\/span> The electrical current flowing in the conductor can be either direct current or direct current (DC) and can be either an alternating current or alternating current (AC).<\/span><\/p>\n

Basically the electrical circuit is divided into two, namely the electrical circuit is open and a closed electrical circuit.<\/span> Open electrical circuit is a circuit that is not connected to the source voltage, whereas a closed electrical circuit is a circuit that is connected to a voltage source.<\/span>
\n\"image\"<\/a>
\n a.<\/span> Open circuit b.<\/span> Closed circuit<\/span>
\n Image.<\/span> 1:10 The electrical circuit<\/span><\/p>\n

At a closed electrical circuit, in the flow of electrical charges.<\/span> The flow of positive electric charge is identical to the flow of water.<\/span> Consider the following picture:<\/span>
\n\"image\"<\/a>
\n a.<\/span> Electricity AB b.<\/span> Water flow<\/span>
\n Figure 1.11 The flow of positive charge from A to B is identical to the flow of water from A to B<\/span><\/p>\n

The water in the vessel A has a higher potential energy than the water in the vessel B, resulting in the flow of water from the vessel A to vessel B or said that at a higher potential than the potential at B resulting in the flow of electric charge from A to B. So, can said that the positive electrical charges flowing from a point of high potential to the low potential point.<\/span> Furthermore, the flow of positive charge is called electric current.<\/span><\/p>\n

Thus, electric current can be defined as a flow of positive charge from high potential to low potential.<\/span> Electric current occurs when there is a potential difference.<\/span> What if two points are connected have the same potential?<\/span> Certainly there is no flow of positive electric charge or electric current does not occur.<\/span> You must be thinking what about the negative electric charge?<\/span> Is a negative electric charge can not flow?<\/span><\/p>\n

In further developments, after the electron was discovered by physicist JJ Thompson (1856-1940), was the charge that flows in a conductor is not a positive electric charge, but negative electrical charges called electrons.<\/span> Direction of the flow of electrons from low potential to high potential (opposite to the direction of flow of positive charge).<\/span> But this does not make a problem, because the number of electrons flowing in a conductor equals the number of positive electric charge that flows only in the opposite direction.<\/span><\/p>\n

Thus, the electrical current still defined by the flow of positive charge are called conventional current.<\/span>
\n\"image\"<\/a><\/p>\n

Figure 1.12 Flow of electrons<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Electricity has been around since the existence of this universe, even when life on this planet does not exist. Very<\/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":[1388,1397,1389,1396,1392,1394,1391,1395,1393,1390],"class_list":["post-1120","post","type-post","status-publish","format-standard","hentry","category-english","tag-electric-current","tag-electric-current-calculator","tag-electric-current-definition","tag-electric-current-density","tag-electric-current-formula","tag-electric-current-from-a-generating-plant-is","tag-electric-current-inc-st-petersburg","tag-electric-current-meter","tag-electric-current-tester","tag-electric-current-units"],"yoast_head":"\nElectric Current - 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\/electric-current\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Electric Current - TN Elektro\" \/>\n<meta name=\"twitter:description\" content=\"Electricity has been around since the existence of this universe, even when life on this planet does not exist. 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