A copper wire of resistivity `rho` is stretched to reduce its diameter to half of its original value. What will be its new resistivity?

A given wire having resistance R is stretched so as to reduce its diameter to half of its previous value. What will be its new resistance?

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

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

A copper wire of resistivetly rho is stretched to make it 5% longer. Find the % change in its resistance.

When a piece of aluminium wire of finite length is drawn through a series of dies to reduce it diameter to half tits original value, its resistance will become

A wire of resistance 1 Omega is stretched to double its length. What is the new resistance?

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