Question:
Which among the following electrical properties has SI unit siemens per meter?
Which among the following electrical properties has SI unit siemens per meter?
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Conductivity is the reciprocal of resistivity and measures how well a substance conducts electricity.
Updated On: Mar 28, 2026
- Conductance
- Conductivity
- Resistance
- Resistivity
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The Correct Option is B
Solution and Explanation
Step 1: Understanding electrical quantities.
Conductance is the reciprocal of resistance and its SI unit is siemens (S), not per meter.
Step 2: Defining conductivity.
Conductivity represents the ability of a material to conduct electric current per unit length and per unit cross-sectional area.
Step 3: SI units comparison.
Conductivity has SI unit siemens per meter (S m\(^{-1}\)), whereas resistivity has unit ohm meter (Ω m).
Step 4: Conclusion.
Hence, the electrical property having SI unit siemens per meter is conductivity.
Conductance is the reciprocal of resistance and its SI unit is siemens (S), not per meter.
Step 2: Defining conductivity.
Conductivity represents the ability of a material to conduct electric current per unit length and per unit cross-sectional area.
Step 3: SI units comparison.
Conductivity has SI unit siemens per meter (S m\(^{-1}\)), whereas resistivity has unit ohm meter (Ω m).
Step 4: Conclusion.
Hence, the electrical property having SI unit siemens per meter is conductivity.
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