Physics · Magnetism
रेतीली जमीन पर बिखरी लोहे की कीलों को तेजी से इकट्ठा करने के लिए निम्नलिखित में से कौन सा बल सबसे प्रभावी होगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1घर्षण बल
- 2गुरुत्वाकर्षण बल
- 3स्थिरवैद्युत बल
- 4चुंबकीय बल✓
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चुंबकीय बल
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