{"id":4050,"date":"2026-06-12T15:50:01","date_gmt":"2026-06-12T15:50:01","guid":{"rendered":"https:\/\/elettromeccanicabonato.it\/cariche-elettrostatiche\/"},"modified":"2026-06-12T16:02:16","modified_gmt":"2026-06-12T16:02:16","slug":"electrostatic-charges","status":"publish","type":"page","link":"https:\/\/elettromeccanicabonato.it\/en\/electrostatic-charges\/","title":{"rendered":"Electrostatic charges"},"content":{"rendered":"

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Electrostatic charges<\/h1>\n

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What are electrostatic charges?<\/h2>\n

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Electrostatic charges<\/strong>\u00a0<\/span>are part of our life. Impossible? Yet it has happened to everyone at one time or another to get a small shock: it happens by touching an object, brushing against a person, getting out of a car. What not everyone knows is that the accumulation of static electricity is actually responsible for this very common phenomenon. Electrostatic charges derive from the phenomenon of electrization: what happens, in other words, when electric charge is added to a body that is initially uncharged, i.e. neutral.<\/p>\n<\/div>\n<\/div>\n

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Electrostatics is a field of electromagnetism that deals with the study of the functioning of electric charges, which are responsible for generating the electrostatic field. As early as the fifth century B.C., in the time of Thales, the phenomenon of the so-called electrization of a body was known.
There are two types of electric charges: positive charges and negative charges. As described in the famous Coulomb\u2019s Law, charges with the\u00a0<\/span>same sign repel each other<\/strong>, while those with\u00a0<\/span>opposite signs attract each other<\/strong>. Atoms are electrically uncharged because the number of protons (positive) and the number of electrons (negative) are the same. When electrifying a body, however, there is a transfer of electrons from one body to another. The body that acquires electrons becomes negatively charged, while the one that gives them up has a positive charge, because the number of protons inside it is greater than the number of electrons. The phenomenon called\u00a0<\/span>electrization<\/strong>\u00a0<\/span>of a body occurs by different methods. The first, the most common one, is\u00a0<\/span>rubbing<\/strong>\u00a0<\/span>but a body can also be electrified by\u00a0<\/span>contact<\/strong>,\u00a0<\/span>induction<\/strong>, and\u00a0<\/span>compression<\/strong>.<\/p>\n<\/div>\n<\/div>\n

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In contrast to electrostatic charges, which all behave in the same way,\u00a0<\/span>different materials<\/strong>\u00a0<\/span>have some important differences. These can in fact be divided into\u00a0<\/span>conductors<\/strong>\u00a0<\/span>and\u00a0<\/span>insulators<\/strong>.
In the first category, charges can travel freely within these materials. In the category of conductors we can include\u00a0<\/span>water<\/strong>,\u00a0<\/span>metal<\/strong>, and the\u00a0<\/span>human body<\/strong>. In the second category, however, charges are prevented from passing through materials. The most popular insulators include\u00a0<\/span>plastic<\/strong>,\u00a0<\/span>wood<\/strong>, and\u00a0<\/span>glass<\/strong>.<\/p>\n

Electrostatic charges<\/strong>\u00a0<\/span>are the cause of a great\u00a0<\/span>many inconveniences<\/strong>, including the\u00a0<\/span>attraction of dust<\/strong>\u00a0<\/span>and other foreign materials. In the processing stages, in fact, material sticks to machine parts, thus forcing the company to suspend production to fix the product. Electrostatic charges can also become dangerous as they trigger discharges that can be potentially harmful to electrical and electronic equipment. The side effects are many, such as fires and explosions. In addition, they can cause injury to people.<\/p>\n

To counteract the presence of these electrostatic charges<\/strong>, it is necessary to ionize the air surrounding the charged body by breaking down the atoms in the air into positive ions (free nuclei) and negative ions (free electrons). Given the phenomenon described by Coulomb\u2019s Law whereby charges attract each other, a negatively charged body will attract positive ions and give up its negative ions until it becomes neutral. Conversely, a positively charged body will attract negative ions until it becomes neutral.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Electrostatic chargesWhat are electrostatic charges? Electrostatic charges\u00a0are part of our life. Impossible? Yet it has happened to everyone at one time or another to get a small shock: it happens by touching an object, brushing against a person, getting out of a car. What not everyone knows is that the accumulation of static electricity is […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-4050","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nElectrostatic Charges: what are they? \u2022 Elettromeccanica Bonato<\/title>\n<meta name=\"description\" content=\"To offset the Electrostatic Charges, the charged body must be ionised by breaking down the atoms in the air into positive ions and into negative ions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elettromeccanicabonato.it\/en\/electrostatic-charges\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electrostatic Charges: what are they? 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