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When electric charges move from one place to another, we say they constitute an electric current. Click on book name for downlod link and more information. The current density vector gives current per unit area flowing through area a when it is held normal to the direction of charge flow. Electric current is defined as the amount of charge flowing through any cross section of the. Oct 11, 2012 how to get a free copy of the 2011 national electric code nfpa 70 october 11. Accet accreditation serves the interests of companies, agencies, and the public through the establishment of standards, policies, and procedures in conjunction with an objective thirdparty professional evaluation designed to identify and inspire sound education and training practices. An electric charge will experience a force if an electric field is applied. You can access the ebooks in either pdf andor html format available for free download on this website. This note contains the detailed view of magnetic effect of current for neet preparation. Based on the 2014 nec mike holts illustrated guide to. Current through a given area of a conductor is the net charge passing per unit time through the area. An electric current creates a magnetic field, and a magnetic field, when it changes, creates a voltage.
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