Teaching UP TGT Mock Test Series 2025 Physics Current, Resistance and Electricity Resistance and Resistivity
The resistance of a metallic wire is
1
directly proportional to its length and inversely proportional to its area of cross-section.
2
inversely proportional to the product of its area of cross-section and length.
3
inversely proportional to its length and directly proportional to its area of cross-section
4
directly proportional to the product of its area of cross-section and length.