Q.The filament of a GLS lamp is made of

  • ATungsten
  • BCopper
  • CCarbon
  • DAluminium
Correct Answer : (A)

Tungsten

Hints :

The filament of a GLS lamp is made of Tungsten.

Previous

Luminous efficiency of a fluorescent tube is

Next

Candela is the unit of which of the following?

Join The Discussion