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സാധാരണ ബൾബിലെ ഫിലമെന്റുണ്ടാക്കാൻ ഉപയോഗിക്കുന്ന ലോഹം ഏതാണ് ?

Aടങ്സ്റ്റൺ

Bചെമ്പ്

Cമാംഗനീസ്

Dവെള്ളി

Answer:

A. ടങ്സ്റ്റൺ

Read Explanation:

  • Pure tungsten has some amazing properties including the highest melting point (3695 K), lowest vapor pressure, and greatest tensile strength out of all the metals.
  • Because of these properties it is the most commonly used material for light bulb filaments.

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