An arc lamp or arc light is the general term for a class of lamps that produce light by an electric arc (also called a voltaic arc). The lamp consists of two electrodes typically made of tungsten which are separated by a gas.

Arc Light

An arc lamp or arc light is the general term for a class of lamps that produce light by an electric…

Tungsten incandescent lamp.

Electric Light, Tungsten Incandescent Lamp

Tungsten incandescent lamp.