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.

Previous

Luminous efficiency of a fluorescent tube is

Next

Candela is the unit of which of the following?

Join The Discussion