Question
Download Solution PDFIdentify the conductor having the lowest resistivity.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 1 i.e Silver.
- Among the given options, Sliver has the lowest resistivity.
- Resistivity is a measure of the resistance of a given size of a specific material to electrical conduction
- Materials that conduct electrical current easily are called conductors and have a low resistivity.
- Materials that do not conduct electricity easily are called insulators and these materials have a high resistivity.
- Resistivity is normally measured in Ohm Meters(Ω·m).
| Material | Resistivity (Ω·m) |
|---|---|
| Silver | 1.59×10−8 |
| Copper | 1.68×10−8 |
| Gold | 2.44×10−8 |
| Aluminium | 2.65×10−8 |
| Zinc | 5.90×10−8 |
| Iron | 9.70×10−8 |
| Lead | 2.20×10−7 |
| Nichrome | 1.10×10−6 |
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