1. #21

2. Find the following quantities R T = I T =V 30  = I 50  

3. Combine all series resistors

4. Combine Parallel Resistors

5. Now combine series resistors

6. Combine parallel resistors

7. Combine Series Resistors

8. Total Resistance

9. Total Current

10. Find the voltage into the equivalent resistors

11. Calculate Current, Voltage into the loop that has the resistor you want

15. Finding the Voltage at the 30  Resistor

16. Focus in on the left Equivalent Resistor

17. Looking at the Series Resistors

18. Final Answers R T =25.6  I T =4.70 A V 30  = 23.4 V I 50  .374 A

19. #22

20. Find the following terms R T = I T =I 4  =V 8  =

21. Calculate total ResistanceSum all series resistors

22. Combine First Parallel Component

23. Combine Second Parallel Component

24. Combine Series Resistors

25. Combine Parallel Resistors

26. Combine Series Resistors

27. Calculate I T

28. Calculate the Current at the 4  resistor

29. Go Back to the Original Schematic

30. Calculating Voltage at the 8  Resistor

31. Calculating the voltage in the 8  resistor

33. Solution R T = 7.48  I T =1.2 A I 4  =.51 A V 8  =4.03 V