Science · Physics
वैज्ञानिक उपकरणों को बाहरी चुंबकीय प्रभावों से बचाने के लिए उन्हें किस पदार्थ से बने आवरण (Shield) में रखा जाता है?
- 1कांच
- 2प्लास्टिक
- 3नरम लोहा (Soft Iron)✓
- 4एल्यूमीनियम
सही उत्तर देखें
नरम लोहा (Soft Iron)
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