1. Concept Developments 35-1, 2 Created for CVCA Physics By Dick Heckathorn 23 March 2K + 5

2. 2 Ω 3 A 6 V

3. 3 Ω 3 V 6 Ω 3 V 3 Ω 1 A 1 A 6 V 6 V

4. 4 1 5 2 6 3 b a 4.5 V 4.5 V Which bulbs have the largest voltage drops across them? Which circuit produces more light? Which circuit dissipates more power? In which circuit is the current greater? Which bulbs are the brightest? Which bulb is the dimmest? In which circuit are all bulbs equally bright? 4 and 6 a 4 and 6 (2.25 V) B (more power) 5 (not lit) b, greater I, same V) b

5. 2 Ω 3 A 6 V 2 Ω 3 A 6 V 6 A 6 V Finish

6. 3A 5 6 3A 3A 4 7 3A 8 3A 3 3A 6A 2 9 6A 10 6A 6A 1

7. a b c d Compare circuits to the previous

8. 2 Ω 3 A 6 V 2 Ω 3 A 0.5 Ω 6 V 1 Ω 12 A 6 A 6 V 6 V 12 A 6 V

9. Concept Development 35-2

10. 3 Ω 5 Ω 5 Ω 4 Ω 2 Ω 3 Ω 4 Ω 5 Ω 5 Ω 2.5 Ω

11. 8 Ω 5 Ω 6 Ω 2 Ω 8 Ω 6 Ω 5 Ω 8 Ω 3 Ω 6 Ω RE = 4 Ω 4 Ω

12. 1Ω 1Ω 1Ω 2Ω 2Ω 2Ω 2Ω 1Ω 1Ω 1Ω 1Ω 1Ω 2Ω 2Ω 2Ω 2Ω 2Ω

13. 1Ω 1Ω 1Ω 2Ω 2Ω 2Ω 1Ω 1Ω 1Ω 2Ω 2Ω 2Ω 2Ω 2Ω 1Ω

14. 1Ω 1Ω 2Ω 2Ω 2Ω 1Ω 1Ω 1Ω 2Ω 2Ω 2Ω 1Ω 2Ω

15. 1Ω 1Ω 2Ω 2Ω 1Ω 1Ω 2Ω 2Ω 2Ω 2Ω 1Ω

16. 1Ω 2Ω 2Ω 1Ω 1Ω 2Ω 2Ω 1Ω 2Ω

17. 1Ω 2Ω 2Ω 1Ω 2Ω 2Ω 2Ω 1Ω 2Ω

18. 2Ω 2Ω 1Ω

20. 6 Ω 12 V 12 V 6 Ω 2 A 8 W 16 W 2 Ω 4 Ω 2 A 12 V 8 V 4 V 2 A 24 W 6 Ω 2 A 3 Ω 4 A 12 V

21. 8 W 4 W 1 Ω 2 Ω 3 Ω 2 A 2 V 4 V 2 A 6 V 6 V

22. 6 W 1 A 6 Ω 12 W 3 A 2 A 3 Ω 2 Ω 18 W 3A 6 V 6 V

23. 1 Ω 6 V 6 V 2 Ω 1.5A 1 Ω 3 A 4.5W 2 Ω 1.5A 3 V 4.5W 9 W 2 Ω 3 V 3 A 6 V 1 Ω 3 A 3 V 3 V