Physics · General Physics
निम्नलिखित में से कौन सा थॉमस अल्वा एडिसन के आविष्कारों में से नहीं है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1एयर कंडीशनिंग सिस्टम✓
- 2फोनोग्राफ
- 3बिजली का बल्ब
- 4टेसीमीटर (Tasimeter)
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एयर कंडीशनिंग सिस्टम
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