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Mohan K
's Polls
GK General Science
The filament of an electric bulb is made of
Tungsten
4 votes (80%)
Tungsten
Nichrome
1 vote (20%)
Nichrome
Graphite
0 votes (0%)
Graphite
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5 votes
| 64 views
(200 symbols max)
Wolmal
(256 symbols max)
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