Asked by Emma
what is the definiton of static electricity
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Static electricity is the build-up of electric charge on the surface of an object. It happens when electrons are transferred from one material to another (for example by friction), leaving an imbalance of positive and negative charges. Because the charges are not moving as a current, they are called "static."
Key points:
- Cause: charge separation (transfer of electrons) by friction, contact, or induction.
- Behavior: creates electric forces (attraction or repulsion) and can produce sparks or shocks when discharged.
- Everyday examples: a shock when you touch a doorknob, clothes sticking together after drying, hair standing on end after rubbing a balloon on your head.
- Distinction: static electricity involves stationary charges; electric current involves moving charges.
Key points:
- Cause: charge separation (transfer of electrons) by friction, contact, or induction.
- Behavior: creates electric forces (attraction or repulsion) and can produce sparks or shocks when discharged.
- Everyday examples: a shock when you touch a doorknob, clothes sticking together after drying, hair standing on end after rubbing a balloon on your head.
- Distinction: static electricity involves stationary charges; electric current involves moving charges.
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