Which metal has the lowest resistivity class 10?
2 Answers
In Class 10 physics, the metal with the lowest resistivity is **silver**. Resistivity is a property that measures how strongly a material opposes the flow of electric current. Silver has the lowest resistivity among all metals, making it an excellent conductor of electricity. Its resistivity is approximately \(1.59 \times 10^{-8}\) ohm-meters.
For comparison, other metals such as copper and gold also have low resistivity, but silver surpasses them in conductivity.
For comparison, other metals such as copper and gold also have low resistivity, but silver surpasses them in conductivity.
For Class 10, you might be referring to basic concepts in physics or chemistry. The metal with the lowest resistivity is silver. Resistivity is a measure of how strongly a material opposes the flow of electric current, and silver has the lowest resistivity of all metals. This means that silver conducts electricity better than other metals.
In more detail:
- **Resistivity of Silver**: Approximately \(1.59 \times 10^{-8}\ \Omega \cdot m\)
- **Resistivity of Copper**: Approximately \(1.68 \times 10^{-8}\ \Omega \cdot m\)
- **Resistivity of Gold**: Approximately \(2.44 \times 10^{-8}\ \Omega \cdot m\)
While silver has the lowest resistivity, copper is often used in electrical wiring due to its lower cost compared to silver.
In more detail:
- **Resistivity of Silver**: Approximately \(1.59 \times 10^{-8}\ \Omega \cdot m\)
- **Resistivity of Copper**: Approximately \(1.68 \times 10^{-8}\ \Omega \cdot m\)
- **Resistivity of Gold**: Approximately \(2.44 \times 10^{-8}\ \Omega \cdot m\)
While silver has the lowest resistivity, copper is often used in electrical wiring due to its lower cost compared to silver.