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Electricity market, the sale of electrical energy; Etymology of electricity, the origin of the word electricity and its current different usages; Hydraulic analogy, an analogy between the flow of water and electric current; Developmental bioelectricity – Electric current produced in living cells
Quantity of electricity is now regarded as an archaic usage, and it has slowly been replaced by the terms charge of electricity, then quantity of electric charge, and today simply charge. Since the term electricity has increasingly become corrupted by contradictions and unscientific definitions, today's experts instead use the term charge to ...
The first half of the 700-page book is a history of the study of electricity. It is parted into ten periods, starting with early experiments "prior to those of Mr. Hawkesbee", finishing with variable experiments and discoveries made after Franklin's own experiments.
The word energy derives from Greek word "energeia" (Greek: ἐνέργεια) meaning actuality, which appears for the first time in the 4th century BCE in various works of Aristotle [1] when discussing potentiality and actuality including Physics, Metaphysics, Nicomachean Ethics [2] and On the Soul.
German scientist Otto von Guericke invented a device that creates static electricity. This is the first ever electric generator. 1705: English scientist Francis Hauksbee made a glass ball that glowed when spun and rubbed with the hand 1720: English scientist Stephen Gray made the distinction between insulators and conductors. 1745
A simple electromagnet, consisting of an insulated wire wound around an iron core. An electric current passing through the wire creates a Magnetic field, with a north pole at one end and a south pole at the other. The first application of electricity that was put to practical use was electromagnetism. [18]
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The history of electromagnetic theory begins with ancient measures to understand atmospheric electricity, in particular lightning. [1] People then had little understanding of electricity, and were unable to explain the phenomena. [2]