By stretching a wire its diameter is halved. What will be its new resistance value? , 12 | And...

A given copper wire of resistance R is stretched to reduce its diameter to half its previous value. What sould be its new resistance ?

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 and resistivity?

A wire of resistance 2Omega is stretched so that its radius is halved. Determine its new resistance.

A 4 Omega non insulated resistance wire is bent in the middle by 180^@ and both the halves are twisted with each other. What will be its new resistance ?

A copper wire of resistance R_(0) is strerched till its length is increased to n times of its original length. What will be its new resistance?

The resistance of a wire is R ohm. What will be its new resistance if it is stretched to n times its original length ?

A wire is stretched 30%, what is the % change in its resistance?

When the diameter of a wire is doubled, its resistance becomes: