Two conducting wires A and B are made of same material. If the length of B is twice that of A and the radius of circular cross-section of A is twice that of B, then resistances `R_(A)" and "R_(B)` are in the ratio

A and B are two square plates of same metal and same thickness but length of B is twice that of A . Ratio of resistances of A and B is

Two wires A and B have equal lengths and are made of the same material. But the diameter of A is twice that of wire B. Then for a given load

Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of the escape velocity V_(A)//V_(B) is

Two wires A and B have the same cross section and are made of the same material but the length of wire A is twice that of B. Then for a given load

A: Two wire A and B having equal cross sections made from the same material. The length of A is twice to the length of B, hence the increase in length of A is twice to the increase in length of B for a given same weight. R: Increase in length of wire proportional to its length for a given same length.

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

Assertion : Two wires A and B have the same cross-sectional area and are made of the same material but the length of wire A is twice that of B. For a given load, the strain in wire A is twice that in B. Reason : For a given load, the extension in a wire is prportional to its length.

Assertion : Two wires A and B have the same cross-sectional area and are made of the same material but the length of wire A is twice that of B. For a given load, the strain in wire A is twice that in B. Reason : For a given load, the extension in a wire is prportional to its length.

Two wires made of same material have equal length and radius of one of them is twice that of the other. Find the ratio of their resistances.

Two planets A and B have the same material density. If the radius of A is twice that of B , then the ratio of the escape velocity (v_(A))/(v_(B)) is