When a wire is streched to duble its length

When a wire is stretched to double its length, then

When a wire is stretched to double its length, then

If resistance of a wire is r ohms and wire is streched to double its length, then what is its resistance ?

The resistance of a wire of length l and diameter d is R . The wire is stretched to double its length. The resistance of the wire will now be

A metallic wire of length 1 m is stretched to duble its length. Calculate the ratio of its initial and final resistances assuming that there is no change in its density on stretching.

A wire of resistances 1 Omega is streched to double its length. What is the new resiatnce?

If a wire is stretched to its length, then

A wire of resistivity rho is streched to double its length. Then its new resistivity will: