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Unit‌ ‌of‌ ‌Electric‌ ‌Field‌

Coulomb's law is concerned with the force acting between two different electric charges. The fundamental idea of the electric field states that an electric charge alters the environment around it by generating an electric field. When another charge is placed into this electrically changed area, it will experience some force as a result of the initial charge's electric field.

Static charges are subjected to Coulomb's law. An electric field is created by the motion of charged particles, as well as when charges move relative to one another. According to the results of the studies, the electric field moves through space at a limited speed (speed of light). The electric field notion is critical to the transmission of an electromagnetic wave over space, which is comparable to light propagation. We can learn how starlight travels huge distances across empty space by grasping the notion of the electric field.

Coulomb's law is founded on the concept of force operating at a distance. This force is produced by an electric field and operates on a charge put within it. The true notion is the electric field, which is represented by the electric field lines. The electric field lines can be used to describe the mobility of a charge in an electric field.

Let us first try to grasp the notion of a static charge's electric field.
The electric field is defined as
The electric field is measured as vector quantity. It can be found in virtually every point in space. The electric field explains the force that operates on a particle in the field.

The electric field for an arbitrary charged particle with charge q is given by


Newton's/coulomb, or N/C, is the dimension of the electric field.
The electric force is described as follows based on the electric field:


The electric field's direction is the similar as the direction of the force vector for a positive charge q.
Using Coulomb's law, we can determine the value of the electric field. The electric field may be calculated by replacing a test charge q in the numerator of Columbus law and a charge qi.

Where ri is the unit vector, indicating the direction of the electric field from the source to the target charge i.e., from q to qi.
Electric Field Unit
A volt/meter is the SI unit for an electric field.

Explanation: The intensity of an electric field is the force acting on a unit positive charge deposited in that field. The electric potential is the amount of effort necessary to move a positive unit charge from infinity to the electric field's point of impact. Based on this reasoning, we may claim that when a charged particle moves in an electric field area, an electric potential is created. As a result, the electric potential represents the work done in transporting a particle. The electric potential may be calculated by multiplying the electric field by a displacement vector. Electric potential may be calculated as follows:


The electric field is a type of electric force that a unit positive test charge encounters.
In this method, you may visualise the notion of the electric field. Consider a point with a unit positive test charge. Bring a charge of greater magnitude close to the test charge. Due to the effect of the other charge's electric field, the test charge will experience either a push or a pull. When the force experienced by the test charge at any location in the electric field is divided by the size of the test charge, the electric field at that place is determined. The electric field's direction at that location is determined by the direction in which the test charge receives force. Even if the test charge is eliminated from that spot, an electric field persists.

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