Question

विद्युत बल्ब का फिलामेंट निम्न में से किस धातु का बना होता है ?​

Answer 1

Answer:

Now, filaments of electric bulbs are made up of tungsten. To understand why, let us look at some properties of tungsten that contribute to its versatility. As a metal, Tungsten is a good electrical conductor. It is also a good thermal conductor.