A cylindrical conductor of length \(l\), diameter \(D\) and resistivity \(\rho \) has resistance \(R\). A different cylindrical conductor of resistivity \(2\rho \), length \(2l\) and diameter \(2D\) has a resistance

A.     \(2R\)

B.     \(R\)

C.     \(\frac{R}{2}\)

D.     \(\frac{R}{4}\)

B