Practicing Success
The unit of conductivity \((K)\) is: |
\(\Omega \, \ m\) \(\Omega ^{-1}\, \ m^{-1}\) \(\Omega \, \ m^{-1}\) \(2\Omega \, \ m^{-1}\) |
\(\Omega ^{-1}\, \ m^{-1}\) |
The correct answer is option 2. \(\Omega ^{-1}\, \ m^{-1}\) Conductivity (\(K\)) is a measure of a material's ability to conduct electric current. It is the reciprocal of resistivity (\(\rho\)), which quantifies how strongly a given material opposes the flow of electric current. The relationship between conductivity (\(K\)) and resistivity (\(\rho\)) is given by the equation: \[ K = \frac{1}{\rho} \] The unit of resistivity (\(\rho\)) is ohm-meter (\(\Omega \cdot m\)), and therefore, the unit of conductivity (\(K\)) is the reciprocal of ohm-meter, which is Siemens per meter (\(S/m\)). Let us break it down: 1. Conductivity (\(K\)): 2. Resistivity (\(\rho\)): 3. Relationship between Conductivity and Resistivity: 4. Unit of Conductivity: In summary, conductivity is a measure of how well a material conducts electric current, and its unit is Siemens per meter (\(S/m\)) or ohm-inverse per meter (\(\Omega^{-1} \cdot m^{-1}\)). This unit represents the ease with which electric current can flow through a material. |