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Static Electricity by Mind Map: Static Electricity
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Static Electricity

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Causes of Static Electricity

he phenomenon of static electricity requires a separation of positive and negative charges.

Normally, materials are made of atoms and molecules that are electrically neutral, having an equal number of positive charges and negative charges.

When two materials are in contact, electrons may move from one material to the other, which leaves an excess of positive charge on one material, and an equal negative charge on the other. When the materials are separated they retain this charge imbalance.

What is the meaning of it

the build up of electric charge on the surface of objects.

Static electricity can be contrasted with current (or dynamic) electricity, which can be delivered through wires as a power source.

Although charge exchange can happen whenever any two surfaces come into contact and separate, a static charge only remains when at least one of the surfaces has a high resistance to electrical flow (an electrical insulator).

What is the effect?

Examples of Separation

Pressure-induced charge separation

Heat-induced charge separation

Charge-induced charge separation

Preventions and Removal of Static Electricity

Removing or preventing a buildup of static charge can be as simple as opening a window or using a humidifier to increase the moisture content of the air, making the atmosphere more conductive. Air ionizers can perform the same task

Many semiconductor devices used in electronics are particularly sensitive to static discharge. Conductive antistatic bags are commonly used to protect such components. People who work on circuits that contain these devices often ground themselves with a conductive antistatic strap.

Static Discharge

The spark associated with static electricity is caused by electrostatic discharge, or simply static discharge, as excess charge is neutralized by a flow of charges from or to the surroundings.