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Electric charge and static electricity fisica
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Electric charge and static electricity fisica


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  • 1. Priscila Larrauri & Luci Artigas Electric Charge and Static Electricity
  • 2. Electric Charge• Def-A property that causes subatomic particles such as protons and electrons to attract or repel each other.• Electric charges move in a flash through a lightning bolt.
  • 3. Electric Charges• Def-A net electric charge is produce by an excess or shortage of electrons .• ( C) Coulombs is the unit of electric charges-Quik Math• Takes 6.24X1018 to produce a coulomb
  • 4. Electric Forces • Def-The force of attraction or repulsion between electrically charged objects. • Charges repel, and opposite charges attract.
  • 5. Electric Fields• Def-The effect an electric charge has on other charges in the space around it.• The strength of an electric field depends o the amount of charge that produces the field and on the distance from the charge.
  • 6. Static Electricity and Charging• Def-The study of the behavior of electric charges, including how charge is transferred between objects.• Charge can be transferred by friction, by contact, and by induction.• Law of conservation charge- The total charge in an isolated system is constant.
  • 7. Charging by friction• Ex) Balloon pick up a net charge by rubbing a it on your hair• Electrons move from hair to balloon because atoms in rubber have grater attraction for electrons than atoms in hair. Because your hair loses electrons
  • 8. Charging by contact• A Van de Graaff generator has charge the metal sphere. By touching it transfer the charge that make the hair repel each other because like charges repel• She acquires a charge large enough to make her hair stand.
  • 9. Charing by intruduction• Def- Transfer of charge with out contact between materials.• If you come with a negative charge t the doorknob it induces charges to move within the metal doorknob.
  • 10. Static Discharge• Occurs when a pathway through which charges can move forms suddenly• It will not travel through air but it becomes charge when the gap between the objects is small.• Ex) Lighting storm the air is charge from clouds to earth.
  • 11. Topic Main IdeaElectric ChargeEelctric ForceElectric FieldStatic Electricity
  • 12. • _vdQ&feature=plcp• screen&NR=1&v=VhWQ-r1LYXY