कॉपर एंड मेटल स्टिक विद ईच अदर द बल्ब विल ब्लॉक से यस या नोअगर कॉपर और मैटर एक दूसरे के साथ चिपकती है तो बल्ब ग्लो होगा कि नहीं उसका आंसर दीजिए
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In electrical engineering, electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. Shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. Electromagnetic shielding that blocks radio frequency (RF) electromagnetic radiation is also known as RF shielding.
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