Who invented the ‘Light Bulb’?
AAlexander Graham Bell
BNikola Tesla
CThomas Edison
DJoseph Swan
Explanation
• Edison developed the first practical, long-lasting incandescent light bulb.
• His success involved testing thousands of different materials for the filament.
• This invention triggered a revolution in domestic and industrial lighting.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers
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