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Q.For the same lumen output, the running cost of the fluorescent lamp is

  • AEqual to that of filament lamp
  • BLess than that of filament lamp
  • CMore than that of filament lamp
  • DAny of the above
Correct Answer : (B)

Less than that of filament lamp
Hints :

For the same lumen output, the running cost of the fluorescent lamp is Less than that of filament lamp.

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