https://youtu.be/ZvSZCn9e2rc Halogen Lamp @Er_SAPatel In Incandescent type of lamp a filament is fitted in glass bulb. When electric current flows through the filament it get heated and gives out light. There are three types of incandescent lamp:- 1 Carbon filament lamp 2 Metal filament lamp 3 Halogen lamp Halogen lamp is a special type of tungsten filament lamp which was developed in 1959. It is a advanced form of incandescent lamp. My Facebook Link :- https://www.facebook.com/sachinpatel65 My Telegram Link :- https://t.me/joinchat/FaMi4YpjpAw0Y2Zl My website Link :- https://ersapatel.blogspot.com/ My Twetter Link :- https://twitter.com/SachinP63267081?t ... My Instragram Link :- https://instagram.com/er_sapatel @Er_SAPatel #halogenlamp #advantagesofhalogenlamp #disadvantagesofhalogenlamp #applicationsofalogenlamp #uee #er_sapatel #diplomaengineering