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Another Resister example : find all the voltages and currents…

Another Resister example : find all the voltages and currents…. Clever hippie way Kirchhoff’s method. Another Resister example : find all the voltages and currents…. Clever hippie way. Another Resister example : find all the voltages and currents…. b) Now try Kirchhoff's method.

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Another Resister example : find all the voltages and currents…

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  1. Another Resister example: find all the voltages and currents… Clever hippie way Kirchhoff’s method

  2. Another Resister example: find all the voltages and currents… Clever hippie way

  3. Another Resister example: find all the voltages and currents… b) Now try Kirchhoff's method The procedure …

  4. Another Resister example: find all the voltages and currents… 1.) Define currents

  5. Another Resister example: find all the voltages and currents… 2.) use node law to reduce variables

  6. Another Resister example: find all the voltages and currents… 3.) use loop laws to get equations Solve em ….

  7. Another Resister example: find all the voltages and currents… 4.) Solve em.

  8. Recall Capacitors?

  9. Capacitors in circuits (DC)

  10. Equivalent Capacitors: Parallel connection

  11. Equivalent Capacitance?

  12. Parallel capacitors Same voltage!

  13. Equivalent Capacitors: Series connection.

  14. Equivalent Capacitance ? External charge stored

  15. Equivalent Capacitance ?

  16. Series capacitors Same charge!

  17. NOTE: The Rules for combining series and parallel capacitors are BACKWARDS from The Rules for combining series and parallel resistors !

  18. Number example ( all C = 10 mF)

  19. Parallel EXAMPLE

  20. Series EXAMPLE Next page room

  21. RC Circuits – time behavior!

  22. t = 0, switch just closed CHARGING

  23. t1: Now some time has passed CHARGING

  24. t2: Now a lot of time has passed CHARGING

  25. CHARGING

  26. CHARGING

  27. CHARGING Number example: What are the voltages across R and across C at a time t = 0.010 s after the switch is closed? Next page

  28. DISCHARGING RC Circuits – time behavior!

  29. DISCHARGING RC Circuits – time behavior!

  30. DISCHARGING

  31. DISCHARGING

  32. DISCHARGING Number example: What are the voltages across R and across C at a time t = 0.010 s after the switch is closed? Next page

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