Physics · Inventions and Discoveries
बिजली के बल्ब का आविष्कार किसने किया?
- 1थॉमस मोर
- 2जेम्स वॉट
- 3थॉमस अल्वा एडिसन✓
- 4हम्फ्री डेवी
सही उत्तर देखें
थॉमस अल्वा एडिसन
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