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Notes pb lab 04 go with the flow


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Notes pb lab 04 go with the flow

  1. 1. Go With the Flow
  2. 2. TSWBAT:Demonstrate anunderstanding of StaticElectricity, Current andCircuits
  3. 3. Key Objectives:Key Objectives:Identify the two types ofelectrical circuits– Parallel– Series
  4. 4. Key Objectives:Key Objectives:Recognize how resistanceeffects current in each type ofcircuit
  5. 5. Key TermsKey TermsCurrentResistanceResistorSeries CircuitParallel CircuitAmperes
  6. 6. CurrentCurrentThe rate of flow ofelectrons througha conductor.– Current ismeasured inAmperes
  7. 7. ResistanceResistanceAnything that inhibits or slowsthe flow of electrons through aconductor.
  8. 8. ResistorResistorA device thatinhibits or slowsthe flow ofelectrons throughit.
  9. 9. Series CircuitSeries CircuitProvides onlyone path forelectrons toflow through aconductor.
  10. 10. Series CircuitSeries CircuitA breakanywhere in aseries circuitwill end theflow ofelectrons or“Lights Out!”
  11. 11. Parallel CircuitParallel CircuitProvides morethan onepathway forelectrons to flowin a circuit.
  12. 12. Parallel CircuitParallel CircuitA break betweenresistors in thiscircuit will notend the flow ofelectrons.
  13. 13. AmperesAmperesThe rate of flowof electronsmoving past agiven point persecond (A) orAMPs
  14. 14. Essential LearningsEssential LearningsWhen voltage is increased(increase the number of drycells) in series and parallelcircuits, current increases.– This is called a DirectRelationship
  15. 15. Essential LearningsEssential LearningsWhen resistance is added in aseries circuit, the current flow isreduced or decreases andcontinues to do so as you addresistance– This is called an Inverse/IndirectRelationship
  16. 16. Essential LearningsIn this situation as lights areadded to the series, all thelights dim and subsequentlights may not light at all.
  17. 17. Essential LearningsWhen resistance is added in aparallel circuit, the current flowincreases because there aremore pathways for the current toflow– This is called a Direct Relationship
  18. 18. Essential LearningsEssential LearningsIn this situation, all of the lightsshould be equal in intensity
  19. 19. Well done….– Get ready forlab!!!
  20. 20. Essential LearningsEnoughalready!!!
  21. 21. Essential LearningsThank youagain!!!
  22. 22. Before you Begin:Which one?
  23. 23. For the remainder of classIf possible pair up with a table-mate and open the HOLTtextbook to page 482Buddy-Read pages 482 - 497
  24. 24. Is it this one??
  25. 25. Or this one?
  26. 26. Well……
  27. 27. Its…..
  28. 28. This one!
  29. 29. Parallel Circuit Notice how the actualdrawing differs from thediagram. Notice the straight linesand right angles atintersections You will use the zig-zagsymbol for your diagramsand a broken line for eachswitch.
  30. 30. Exit TicketCompare and contrast a parallelcircuit to a series circuit.