Electricity is the arrangement of physical phenomena associated with the nearness and movement of matter that has a property of electric charge. In early days, electricity was considered as being unrelated to magnetism. The nearness of an electric charge, which can be either positive or negative, produces an electric field. The development of electric charges is an electric flow and produces a magnetic field. Various normal phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others.
At the point when a charge is placed in a location with a non-zero electric field, a force will act on it. The magnitude of this force is given by Coulomb's law. Therefore, if that charge were to move, the electric field would do take a shot at the electric charge. Later on, many experimental outcomes and the development of Maxwell's equations indicated that both electricity and magnetism are from a single phenomenon: electromagnetism. In this way we can speak of electric potential at a certain point in space, which is equal to the work done by an external agent in carrying a unit of positive charge from an arbitrarily picked reference point to that point with no acceleration and is typically measured in volts. Gadgets which deals with electrical circuits that include active electrical segments, for example, vacuum tubes, transistors, diodes and integrated circuits, and associated passive interconnection advances.
Electricity's extraordinary versatility means it very well may be put to an almost boundless arrangement of applications which incorporate transport, heating, lighting, communications, and computation. Electrical power is presently the backbone of modern industrial society. Electrical phenomena have been examined since antiquity, however advance in theoretical understanding remained moderate until the seventeenth and eighteenth hundreds of years. And still, at the end of the day, practical applications for electricity were not many, and it would not be until the late nineteenth century that electrical designers had the option to put it to industrial and residential use. Some time before any information of electricity existed, individuals knew about stuns from electric fish. Ancient Egyptian writings dating from 2750 BCE alluded to these fish as the "Thunderer of the Nile", and depicted them as the "protectors" of all other fish.
The rapid expansion in electrical innovation at this time transformed industry and society, turning into a main thrust for the Second Industrial Revolution. Electric fish were again revealed millennia later by ancient Greek, Roman and Arabic naturalists and physicians. Several ancient scholars, for example, Pliny the Elder and Scribonius Largus, attested to the desensitizing impact of electric stuns conveyed by electric catfish and electric rays, and realized that such stuns could travel along leading objects. Patients experiencing ailments, for example, gout or headache were coordinated to touch electric fish with the expectation that the ground-breaking shock may fix them. Ancient cultures around the Mediterranean realized that certain items, for example, bars of amber, could be scoured with cat's hide to attract light articles like feathers. Thales of Miletus made a progression of observations on static electricity around 600 BCE, from which he accepted that erosion rendered amber magnetic, in contrast to minerals, for example, magnetite, which required no rubbing.