Question

IV. The filament present in bulb is made up of
a. Copper
b. Silver
c. Tungsten
d. Aluminium

Answer 1

Answer:

the filament present in bulb is made of c)tungsten

Explanation:

because it has high melting point and also has high resistance to electricity....

Answer 2

Answer:

Option c. (Tungsten)

Explanation:

The filament present in bulb is made up of tungsten because tungsten has a high melting point and it glows when current passes through it.(when electric current is passed through the circuits of bulbs, if a metal which has a low melting point is used as the filament, then it will break again and again and hence the bulb would not be practical.)

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