Question
Download Solution PDFसबसे कम प्रतिरोधकता वाले चालक की पहचान कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFविकल्प 1 सही उत्तर है अर्थात चाँदी
- दिए गए विकल्पों में, चाँदी में सबसे कम प्रतिरोधकता होती है।
- प्रतिरोधकता विद्युत चालकता के लिए एक विशिष्ट सामग्री के दिए गए आकार के प्रतिरोध का माप होता है।
- ऐसी सामग्री जो विद्युत धारा को आसानी से चालित करती है उसे चालक कहा जाता है और इसकी प्रतिरोधकता कम होती है।
- ऐसी सामग्री जो आसानी से विद्युत का संचालन नहीं करती हैं उन्हें विद्युतरोधी कहा जाता है और इन सामग्रियों में उच्च प्रतिरोधकता होती है।
- प्रतिरोधकता को आम तौर पर ओम मीटर (Ω·m) में मापा जाता है।
| तत्व | प्रतिरोधकता (Ω·m) |
|---|---|
| चाँदी | 1.59×10−8 |
| कॉपर | 1.68×10−8 |
| सोना | 2.44×10−8 |
| एल्युमीनियम | 2.65×10−8 |
| जिंक | 5.90×10−8 |
| आयरन | 9.70×10−8 |
| लेड | 2.20×10−7 |
| निक्रोम | 1.10×10−6 |
Last updated on Jul 17, 2025
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