Solved UPSC CDS/OTA Question
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Q · Current ElectricityMedium · 45s
Which of the following materials is used for the filament of an electric bulb?
TopicCurrent Electricity
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Tungsten has a high melting point (~3422°C), making it ideal for filaments.
Final Answer: Option C - Tungsten