A cylindrical resistor of volume V and length l has resistance R. The resistor has a uniform circular cross-section. What is the resistivity of the material from which the resistor is made?

A. $\frac{V}{{R{l^2}}}$

B. $\frac{{{V^{\rm{2}}}R}}{l}$

C. $\frac{{VR}}{{{l^2}}}$

D. $\frac{{{V^2}}}{{Rl}}$

C