Don’t throw unwanted fluorescent tubes. Nichrome is not used as filament in incandescent lamps.

Question

Write down the reasons for the following statements.

a. Don’t throw unwanted fluorescent tubes.

b. Nichrome is not used as filament in incandescent lamps.

c. Fuse wire is melt when electric current increased.

d. Why is the incandescent filled with an inert gas or nitrogen?

Answer 1

a. It contains mercury which causes several environmental problems.

b. It can remain only in red hot condition but it can’t give light.

c. When current flows as the higher temperature produced in the circuit. Fuse wire has low melting point compared to other, so it melts.

d. To prevent the vaporization of filament.