Electricity

Physics – E&M: Maxwell's Equations (4 of 30) Gauss' Law for Magnetism | Jabar Post Indonesia

Physics – E&M: Maxwell's Equations (4 of 30) Gauss' Law for Magnetism | Jabar Post Indonesia – This time JabarPost.Net will discuss about Electricity.

The following is Physics – E&M: Maxwell's Equations (4 of 30) Gauss' Law for Magnetism. And for those of you who want to find a similar explanation, you can search in the Electricity category

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Physics – E&M: Maxwell's Equations (4 of 30) Gauss' Law for Magnetism | Jabar Post Indonesia

Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. In early days, electricity was considered as being unrelated to magnetism. Later on, many experimental results and the development of Maxwell’s equations indicated that both electricity and magnetism are from a single phenomenon: electromagnetism. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others.

The presence of an electric charge, which can be either positive or negative, produces an electric field. The movement of electric charges is an electric current and produces a magnetic field.

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. Thus, if that charge were to move, the electric field would be doing work on the electric charge. Thus 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 chosen reference point to that point without any acceleration and is typically measured in volts.

Electricity is at the heart of many modern technologies, being used for:

electric power where electric current is used to energise equipment;
electronics which deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes and integrated circuits, and associated passive interconnection technologies.
Electrical phenomena have been studied since antiquity, though progress in theoretical understanding remained slow until the seventeenth and eighteenth centuries. Even then, practical applications for electricity were few, and it would not be until the late nineteenth century that electrical engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society, becoming a driving force for the Second Industrial Revolution. Electricity’s extraordinary versatility means it can be put to an almost limitless set of applications which include transport, heating, lighting, communications, and computation. Electrical power is now the backbone of modern industrial society.[1]



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In this video I will explain Gauss’ Law and the magnetic field.

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25 Comments

  1. If in case of magnet flux is zero that means there is no magnetic field but in reallity we see that magnet has it's own magnetic field so how we can say that flux is zero because flux is directly related with magnetic field ,and if we say that magnetic flux is zero thn there M.F.is also zero.sir clear the confusion??????

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