Electric field - Wikipedia
An electric field (sometimes called E-field [1]) is the physical field that surrounds electrically charged particles. Charged particles exert attractive forces on each other when their charges are opposite, and repulse each other when their charges are the same.
Electric field | Definition, Units, & Facts | Britannica
2024年11月12日 · Electric field, an electric property associated with each point in space when charge is present in any form. The magnitude and direction of the electric field are expressed by the value of E, called electric field strength or electric field intensity or simply the electric field.
Electric Field: Definition, Properties, Examples & Problems
2023年2月17日 · An electric field is an invisible force field caused by an electric charge. It is an alteration in the space (air or vacuum) around the charge. It results in an electric force that is felt by electric charges when placed close to one another.
5.5: Electric Field - Physics LibreTexts
The electric field, then, is the mechanism by which the electric properties of the source charge are transmitted to and through the rest of the universe. (Again, the range of the electric force is infinite.)
Definition, Formula, Electric Field Direction, SI Unit - BYJU'S
An Electric field can be considered an electric property associated with each point in the space where a charge is present in any form. An electric field is also described as the electric force per unit charge. Electric fields are usually caused by varying magnetic fields or electric charges.
18.3 Electric Field - Physics - OpenStax
On the left is the electric field created by a positive charge, and on the right is the electric field created by a negative charge. Notice that the electric field lines point away from the positive charge and toward the negative charge.
What Is an Electric Field? Definition, Formula, Example - ThoughtCo
2019年8月28日 · An electric charge produces an electric field, which is a region of space around an electrically charged particle or object in which an electric charge would feel force. The electric field exists at all points in space and can be observed by …
Electric Field - HyperPhysics
Electric Field. Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge and radially in toward a negative point charge. Click on any of the examples above for more ...
Electric Field Explained | Basics, Effects & Applications
2024年5月27日 · Electric fields originate from electric charges, either positive or negative, and exert force on other electric charges within the field. The strength of an electric field, denoted as E , is measured in volts per meter (V/m).
5: Electric Charges and Fields - Physics LibreTexts
If a charge distribution is continuous rather than discrete, we can generalize the definition of the electric field. We simply divide the charge into infinitesimal pieces and treat each piece as a point charge.