Two wires of the same materical having equal area of cross-section have L and 2L. Their respective resistances are in the ratio

Two wires of same material and length have the radii of their cross sections as r and 2r, respectively. The ratio of their resistances

Two wires of same material have lengths, L and 2L and cross-sectional area 4A and A, respectively. The ratio of their resistances would be

Two wires have identical lengths and areas of cross-section are suspended by mass M . Their Young's modulus are in the ratio 2:5 .

Two wires have identical lengths and areas of cross-section are suspended by mass M . Their Young's modulus are in the ratio 2:5 .

Two wires of same material have length L and 2 L and cross– sectional areas 4 A and A respectively. The ratio of their specific resistance would be

A wire of given material having length l and area of cross-section A has a resistance of 4 n. What would be the resistance of another wire of the same material having length 1/2 and area of cross - section 2A ?