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You are here: Home » News » Static Electricity, Insulators, Conductors

Static Electricity, Insulators, Conductors

Views:16     Author:Site Editor     Publish Time: 2017-05-16      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).

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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.

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