Unformatted text preview: or 300 mA at 1/30 second? Why? 13. Which of these would be best to stop motion unsharpness, 100 mA at 1/10 second or 300 mA at 1/30 second? 14. How much of a change in mAs is required to notice a minimal change in radiographic density? 15. What should be done to the mAs if a radiograph is produced that needs to be repeated due to severe underexposure? 16. What should be done to the mAs if a radiograph is produced that needs to be repeated due to severe overexposure? 17. What is the point of using a small filament? Why not always use a small filament? 18. Does using 75 mA on the small filament result in greater sharpness than using 150 mA on the small filament? Why? 19. In terms of mA x seconds, how should all mAs be set on the console?...
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- Winter '11
- exposure, Exposure value, exposure time increases