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| learn:fundamentals:circuits:electrical-fields:start [2016/07/22 21:18] – [Important Points] Martha | learn:fundamentals:circuits:electrical-fields:start [2022/10/04 11:38] (current) – external edit 127.0.0.1 | ||
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| ==== Electrical Basics ==== | ==== Electrical Basics ==== | ||
| The fact that charges exert forces on one another over a distance is explained by the idea of an electric field. An electric field is often referred to as an E-field, because of the symbol used to represent it: $E⇀$. The little arrow over the “E” indicates that the electric field is a vector field—it has both a magnitude and a direction. | The fact that charges exert forces on one another over a distance is explained by the idea of an electric field. An electric field is often referred to as an E-field, because of the symbol used to represent it: $E⇀$. The little arrow over the “E” indicates that the electric field is a vector field—it has both a magnitude and a direction. | ||