Word Count : 255

---

An incandescent lamp is one of the earliest and most common sources of artificial lighting used in buildings. It works on a simple principle where an electric current passes through a fine tungsten filament, heating it to a high temperature until it __________ ____ ____ __________ __________ _________ ________ ________ _________ ________.
__________ _________ __________ ______ __________ _____ ___ _____ ____ _________ ________ _____.
_______ ________ ______ ________ ________ ________ _______ ___ ____ ________ ________.
______ _________ _____ _________ __________ _______ ______ __________ _________ _____ _________.
_______ _________ _____ __________ ____ _____ ________.
_______ ____ _________ _________ _________ _______ _________ _______ _____ ______ ______.
_________ _______ __________ _____ ________ _______ _____ ______.
__________ ____ ____ _________ ___ ____ _____ ____ __________ ______ ______.
___ _______ ____ __________ _________ _______ _____ ____.
_________ ________ ________ __________ _____ _______ ________ __________ ___ ______.
____ ____ ____ _______ ___ _____ _______ __________.
_________ ______ _____ _______ ________ ____ ________ _______.
________ _________ ____ ___ _______ ______ ______.
_____ _____ ___ ______ ____ __________ ________ ___ ________ __________.
_____ _________ ___ ___ __________ ____ ___ ___ ______ ________ ______.
__________ ________ _____ __________ _____ ______ ______.
___ ______ ______ _____ _____ __________ _____.
_______ _______ _____ _______ __________ ___.
________ ________ __________ ___ ___ ______ __________ ________ _____ ______.
__________ _________ _______ __________ __________ _____ _____ ___ ________.
_____ ___ _____ _________ __________ ____ ______ _______ ___ _________ ______.
_____ ____ _____ ___ ___ ______ ______ ______ _____.
________ ____ _______ ____ _______ ___ ______ __________ ______ _____ ___.
Get Full Answer on WhatsApp