A wire is stretched thrice of its length how will its resistivity get affected? Compare resistivity ratio and resistance ratio
A) Resistivity increases; resistivity ratio is directly proportional to resistance ratio.
B) Resistivity decreases; resistivity ratio is inversely proportional to resistance ratio.
C) Resistivity remains the same; resistivity ratio is directly proportional to resistance ratio.
D) Resistivity remains the same; resistivity ratio is inversely proportional to resistance ratio.