Incandescent Lamp MCQs Questions and Answers
Incandescent Lamp – Definition Incandescent lamp is a bulb used to provide light after heating of filament material. It works on the principle of Incandescence. It is also known as incandescent light bulb or globe. Edison has invented the incandescent lamp in 1879. The manufacturing cost of light bulb is low but ruining cost is high. … Read more