Physics
NULL
Medium
Question
Which one of the following materials is useful for making bulb filaments ?
A
constantan
B
nichrome
C
copper
D
tungsten
✓ Official correct answer
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A
constantan
No member explanations yet for this option.
B
nichrome
No member explanations yet for this option.
C
copper
No member explanations yet for this option.
D
tungsten
No member explanations yet for this option.
Explanation
Tungsten's very high melting point makes it well-suited for withstanding the high temperatures of a glowing bulb filament.
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