Why do you need a resistor with an LED?

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  1. #resistors
  2. #circuits
  3. #resistor
  4. #prevent
  5. #limit
  6. #through
  7. #electric
  8. #voltage
  9. #emits
  10. #diode
  11. #emitting
  12. #light
  13. #equal
  14. #source
  15. #ballast
  16. #required
  17. #burns
  18. #current
  19. #passes