Two metalic wires A and B are of same material and have equal length. If the cross-sectional area of B is double that of A, then which one among the following is the electrical resistance of B?

Two strings A and B , made of the same material, have equal lengths. The cross sectional area of A is half that of B while the tension on A is twice that on B . The ratio of the velocities of transverse waves in A and B is:

Two strings A and B, made of the same material, have equal lengths. The cross sectional area of A is half that of B while the tension on A is twice that on B. The ratio of the velocities of transverse waves in A and B is

Two strings A and B, made of the same material, have equal lengths. The cross sectional area of A is half that of B while the tension on A is twice that on B. The ratio of the velocities of transverse waves in A and B is

Two wires A and B are stretched by the same load. If the area of cross-section of wire 'A' is double that of 'B,' then the stress on 'B' is

Two wires A and B are stretched by the same load. If the area of cross-section of wire 'A' is double that of 'B,' then the stress on 'B' is

Two wires A and B are stretched by the same load . If the areas of cross - section of wire A is double that of B . then the stress in B is

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 ?

Two wires A and B both are made of same material and have the same length. The radius of cross section of B is twice that of A. Same loads are suspended from both of them. If the strain in A be 4, then that in B will be