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PLU Quow

PLU Quow. How many fundamental charges are there in 250 C? (how many elementary charges and what are they?). Objectives. Practice with charges. How can we see charge? What is the difference between a conductor and an insulator? No School Monday? See Website for Assignment.

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PLU Quow

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  1. PLU Quow • How many fundamental charges are there in 250 C? (how many elementary charges and what are they?)

  2. Objectives • Practice with charges. • How can we see charge? • What is the difference between a conductor and an insulator? • No School Monday? See Website for Assignment.

  3. Restless Electrons 4.1.2 Transfer of Charge

  4. Conductive Properties of Materials NbTi alloy metals wood silicon rubber pure water sea water HIGH CONDUCTIVITY LOW CONDUCTIVITY LOW RESISTIVITY HIGH RESISTIVITY Good Conductor/ Poor Insulator Allows electrons to flow freely. Good Insulator/ Poor Conductor Strongly resists flow of electrons.

  5. Charging by Friction • Rub two insulators together • ELECTRONSmove from one to the other • One object becomes + the other - RULE #1 – ONLY ELECTRONS MOVE

  6. http://www.youtube.com/watch?v=aO-phqmyqdY

  7. http://www.youtube.com/watch?v=vGV1PYM4i70

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