विद्युत बल्ब का फिलामेंट किस धातु का बना होता है?
The correct answer is Tungsten. Key Points Tungsten metal is used to make filaments for light bulbs. Tungsten is used in making light bulb filaments for the following reasons: Tungsten is an alloy with a very high melting point. Extremely resistant to fire at room temperature. The lamp burns at a high temperature.
