Question

why electric bulbs are not made up of metals​

Answer 1

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(a) Tungsten has a high melting point (3380°C). It does not melt at high temperatures.(b) Conductors of electric heating devices are made up of alloys because alloys do not oxidise readily at high temperatures, unlike metals.

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Answer 2

Answer. (a) Tungsten has a high melting point (3380°C). It does not melt at high temperatures. ... (b) Conductors of electric heating devices are made up of alloys because alloys do not oxidise readily at high temperatures, unlike metals.