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Chapter 20(Static Electricity)

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Phi Booranasanti

on 22 April 2010

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Transcript of Chapter 20(Static Electricity)

Chapter 20: Static Electricity Vocabulary Electroscope: A device that is used to detect electric charges.
Grounding: The process of removing excess charge by thouching an object to earth.
Coulomb: SI standard unit of charge; one coulomb is the magnitude of the charge of electrons or protons.
Electrostatic: The study of electric charges. Summary Static Electricity is made up of two different kinds of charges. It consists of Positive and Negative charges. These charges can make objects stick together by charging them up.What that means is, if one object has a positive charge and the other has a negative charge the bojects are attracted towards each other. For an example, if you rub a ballon on your hair the eletrons are jumping from the ballon to your hair(atoms) which are positively charged, both objects become charged, and will stick together. Facts Force depends on distance: the Charge is greater when the two objects are closer together, the Charge is less when two objects are farther apart. Coulomb's Law: The force between two cahrges is equal to Coulomb's constant, times the product of the two charges, divided by the square of the distance between them. Electric charge is not created or destroyed; it's conserved. Charging is the separation, not creation of electric charges. There are two kinds of electric charge, positive and negative. Interations of charges explain the attraction and repulsion that you observed in the strips of tape. Phi, Cooper
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