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- Physical quantityIn physics, a field is a physical quantity, represented by a scalar, vector, or tensor, that has a value for each point in space and time.en.wikipedia.org/wiki/Field_(physics)
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In physics, a field is a physical quantity, represented by a scalar, vector, or tensor, that has a value for each point in space and time. For example, on a weather map, the surface temperature is described by assigning a number to each point on the map; the temperature can be considered at a certain … See more
To Isaac Newton, his law of universal gravitation simply expressed the gravitational force that acted between any pair of massive … See more
There are several examples of classical fields. Classical field theories remain useful wherever quantum properties do not arise, and can be … See more
Field theory usually refers to a construction of the dynamics of a field, i.e., a specification of how a field changes with time or with respect to other independent physical variables on which the field depends. Usually this is done by writing a Lagrangian See more
It is now believed that quantum mechanics should underlie all physical phenomena, so that a classical field theory should, at least in principle, … See more
• "Fields". Principles of Physical Science. Vol. 25 (15th ed.). 1994. p. 815 – via Encyclopædia Britannica (Macropaedia).
• Landau, Lev D. and Lifshitz, Evgeny M. (1971). Classical … See moreWikipedia text under CC-BY-SA license WebFeb 10, 2023 · A field is a concept that is used in almost every part of physics. In Physics 7C we will concentrate on the electric and magnetic fields. The concept of fields will help us understand how electric charges …
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