Two wires A and B of the same material and having same length, have their cross-sectional areas in the ratio `1:4`. what should be the ratio of heat produced in these wires when same voltage is applied across each ?

There are two wires of same material and same length while the diameter of second wire is 2 times the diameter of first wire, then ratio of extension produced in the wires by applying same load will be

There are two wires of same material and same length while the diameter of second wire is 2 times the diameter of first wire, then ratio of extension produced in the wires by applying same load will be

Two wires of the same material of same length have area of cross sections in the ratio 1:2 If forces are applied in the ratio 2:1 to extend them what be the ratio of their extension in length ?

Two wires A and B are of same metal, have the same area of cross-section and have their lengths in the ratio 2 : 1 . What will be the ratio of currents flowing through them respectively when the same potential difference is applied across the length of each of them ?

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 of the same material have lengths in the ratio 1:2 and diameters in the ratio 2:1 . If they are stretched by the same force, the ratio of their expansion will be