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M 303 group 6

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1. 2. 3. 1. 4. 2. 2 () () 5. 3. 6. 1. 2. 7. 8. 2 9. 10. 220 11. 12. 13. 14. () 15. 1. 2. 3. 16. 17. 18. 3 1. 2. (Fluorescent Lamp) 3. 19. 2 1. 2. 20. 3. 2 100 21. (Fluorescent Lamp) 1. 22. 2. 3. 23. 4. 24. (excited state) 25. 1. 4 8 2. 3. 1. 2. 26. (W) 1 20 W 20 1 5 27. 10,000 28. 29. "220 V 800 W" 200 V 220 800 W 1 1 1,000 1,000 30. P = VI P V I 31. () = () X () P W t W= P Xt - () = () X () 32. - 33. http://www.thaigoodview.com/library/teachershow/bangkok/sudarat_n/posttest.html