news

Static Electricity, Insulators, Conductors

Views: 82 Author: Site Editor Publish Time: Origin: Site

How is static electricity created?

An electrostatic charge is generated when both surfaces are contacted and separated, and at least one surface has a high current resistance (hence an electrical insulator). The electrostatic effect is familiar to most people because one can perceive, hear, even when too much charge is close to a large electric conductor (for example, a grounded path) or an excess charge with opposite polarity (positive or negative) The area will see the spark).

kesd.png

What are insulators?

The insulator is an internal charge of the material; do not flow freely, so it is difficult to flow current; under the influence of the electric field. There is never a perfect insulator, but some materials such as glass, paper and teflon; it has a high resistivity, and most plastics are good examples of insulators. This material can be used as a practical and safe insulator for low to medium voltage (hundreds or even thousands of volts).

What are conductors?

A material or substance having the ability to carry charge from one place is called a conductor. Silver is one of the best conductors, but others include aluminum, copper, iron, coal (carbon impregnated material) and some liquids.

More:http://www.kesd.com/




×

Contact Us

captcha