# Electric Field (conceptual help)

• dimpledur
In summary, the question is about the electric field and a diagram is provided. The question states that it takes positive work to move a positive particle from point A to point G, indicating that the electric field is directed towards the center conductor. There are five energy curves, with the outer edge being one of them. The potential difference between equipotential curves is 0.3J/C. The asker is unsure about the potential difference between the very outer edge and the center conductor, as the question only mentions five energy contours and does not consider the black dot as one. The question has been answered and can be closed.
dimpledur

## Homework Statement

My question is concerned with the electric field. I will provide you with the information I am given. First, here is the diagram:

The question states that it takes positive work to move a positive particle from point A outward to point G. Therefore, I have concluded that the electric field is directed towards the center conductor, which is the black dot. The question states that there are five energy curves, where one includes the very outer edge where point G is located.

Additionally, the potential difference between equipotential curves is 0.3J/C.

My question to you is do you considerthe black dot in the middle to be the threshold? For example, if you move from the center conductor to the first energy contour, do you increase potential energy by 0.3 J/C, or does it not increase yet until it move from the very first energy contour to the second?

My reason for asking is because the outer edge of the drawing has an energy contour, so it is easy to determine the potential difference between other contours, but I can't seem to figure out the voltage difference between the very outer edge to the center conductor (black dot). The question specifically states there are only five energy contours, therefore the black dot is not considered a contour... Help?

## The Attempt at a Solution

Sorry, I meant from A->G.

My question has been asnwered. This can be locked.

Last edited:

## What is an electric field?

An electric field is a physical property associated with charged particles that exerts a force on other charged particles within its vicinity. It is a vector field, meaning it has both magnitude and direction.

## How is an electric field created?

An electric field is created by charged particles, such as electrons or protons, that are either stationary or in motion. When these particles are in close proximity to one another, they create an electric field that can influence the behavior of other charged particles.

## What is the unit of measurement for electric field?

The unit of measurement for electric field is newtons per coulomb (N/C) in the SI system. In other systems of measurement, it can also be expressed as volts per meter (V/m).

## How does distance affect the strength of an electric field?

The strength of an electric field is inversely proportional to the square of the distance from the source of the field. This means that as the distance from the source increases, the strength of the field decreases.

## Can an electric field exist in a vacuum?

Yes, an electric field can exist in a vacuum. In fact, light, which is an electromagnetic wave, is able to travel through a vacuum due to the presence of an electric field component.

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