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Electricity -Essential Definitions

Jurandir Primo, P.E.

This course is a didactic introduction of electrical definitions with daily calculations and practical quiz questions, with the technology that applies essential energy generation and develops standard cables manufacturing and network techniques for use in equipment and industrial processes. Electrical generations and cabling systems are the wiring network that carries energy, data, voice, multimedia, security, wireless connections, throughout a residence, a building or an industrial plant, including cabling, connecting hardwares, equipment and telecommunication rooms.

In engineering or household applications, current can be either direct current (DC) or alternating current (AC). Electric-power transmission is the bulk transfer of electrical energy, from generating power plants to electrical substations located near demand centers. The rapid industrialization in 20th century made electrical transmission lines and grids a critical infrastructure item in most industrialized nations.

Alternating current is any current that reverses direction repeatedly; almost in the form of a sine wave. Alternating current thus pulses back and forth within a conductor without the charge moving any net distance over time, thus, the time-averaged value of an alternating current is zero. Direct current, produced from a battery, for example, is a unidirectional flow from the positive part of a circuit to the negative, always required by most electronic devices.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.