How Is an Electric Field Created and Manipulated?

[vinzie]

How to make an electric field?

 

[DragonPetter]

Charge applies a force that interacts with any other charge in the region of the force's influence.

The region that the force influences is generically called a force field, and it describes how much and what direction the force will act on another charge at any point in space. The field can be uniform, where the force will be the same at every point, or it can be non-uniform where the force can be different at each point in space.

So, to make an electric field, you only need the presence of a charge. Charge is a property of certain matter, so you need particles that have the property of charge. Since charge has polarity, a collection of particles has to have a net charge for it to create an electric field.

 

[berkeman]

How to make an electric field?

http://en.wikipedia.org/wiki/Electric_field

.

 

[tiny-tim]

hi vinzie!

How to make an electric field?

we can't really make electric fields, we can only rearrange them

every charged particle has an electric field, and when we rearrange the particles, we rearrange the total field

(we also usually produce a magnetic field)

 

[alphysicist]

The concept of an electric field is a fundamental concept in physics that describes the force experienced by a charged particle in the presence of other charged particles. It is represented as a vector field that exists in the space surrounding a charged particle and is responsible for the attraction or repulsion between charged objects.

To create an electric field, one needs to have a source of electric charge, such as a battery or a charged object. The electric field is created by the electric charges, with the positive charges creating an outward electric field and the negative charges creating an inward electric field. The strength of the electric field is determined by the amount and distribution of the electric charges.

One can also create an electric field by inducing a charge on a neutral object. This can be achieved by rubbing two materials together, known as triboelectric charging, or by using electromagnetic induction. In both cases, the movement of electrons creates an electric field.

In addition, electric fields can be manipulated and controlled by using conductors, insulators, and capacitors. Conductors, such as metals, allow electric charges to flow freely, while insulators, such as rubber or plastic, prevent the flow of charges. Capacitors, on the other hand, store electric charges and can be used to manipulate the strength and direction of an electric field.

Overall, understanding the concept of an electric field and how to create and manipulate it is crucial in many areas of science and technology, including electronics, electromagnetism, and energy production.