Question

The unit of specific conductance is

• A. ohm cm$^{-1}$
• B. ohm cm$^{-2}$
• C. ohm$^{-1}$ cm$^{-1}$
• D. ohm$^{-1}$ cm$^{-2}$

Hint:

Specific conductance is the reciprocal of resistivity, and its unit is ohm$^{-1}$ cm$^{-1}$.

Answer 1

The Correct Option is C

Step 1: Understand specific conductance.
Specific conductance (also called conductivity) is a property of a material that describes its ability to conduct electric current. It is the inverse of resistivity and is expressed in ohm$^{-1}$ cm$^{-1}$.
Step 2: Apply to the options.
- The unit of specific conductance is the inverse of resistance per unit length, which is ohm$^{-1}$ cm$^{-1}$, corresponding to option (C).
Final Answer: \[ \boxed{\text{ohm}^{-1} \text{cm}^{-1}} \]