Question

what does the light of lamp do?​

Answer 1

Answer:

The three main categories of electric lights are incandescent lamps, which produce light by a filament heated white-hot by electric current, gas-discharge lamps, which produce light by means of an electric arc through a gas, and LED lamps, which produce light by a flow of electrons across a band gap in a semiconductor.

Answer 2

Answer:

what does the light of a lamp do ?