Question

Tungsten is used in electric bulbs because:
(A) it is sonorous.
(B) it is metallic.
(C) it has high tensile strength.
(D) it has high density.​

Answer 1

Answer:

(C) is the correct option

Explanation:

Tungsten is used exclusively for electric light filaments because it has lowest coefficient of thermal expansion, high melting point and its good tensile strength.

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