Question
Download Solution PDFसर्वात कमी रोधकता असलेला वाहक ओळखा.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFपर्याय 1 म्हणजेच चांदी हे योग्य उत्तर आहे.
- दिलेल्या पर्यायांपैकी, चांदीची रोधकता सर्वात कमी आहे.
- रोधकता हे विद्युत वहनासाठी विशिष्ट सामग्रीच्या दिलेल्या आकाराच्या प्रतिरोधाचे मोजमाप आहे
- विद्युत प्रवाह सहज वाहून नेणाऱ्या पदार्थांना वाहक म्हणतात आणि त्यांची रोधकता कमी असते.
- जे पदार्थ सहज विद्युत वाहून नेत नाही त्यांना निरोधक म्हणतात आणि या पदार्थांमध्ये उच्च रोधकता असते.
- प्रतिरोधकता सामान्यतः ओहम मीटरमध्ये (Ω·m) मोजली जाते.
| पदार्थ | रोधकता (Ω·m) |
|---|---|
| चांदी | 1.59×10−8 |
| तांबे | 1.68×10−8 |
| सोने | 2.44×10−8 |
| ॲल्युमिनियम | 2.65×10−8 |
| जस्त | 5.90×10−8 |
| लोह | 9.70×10−8 |
| शिसे | 2.20×10−7 |
| निक्रोम | 1.10×10−6 |
Last updated on Jun 11, 2025
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