A metallic wire of resistance 20 ohm stretched until its length is doubled. Its resistances is

A wire of resistance 1 Omega is stretched to double its length. Then its resistance becomes

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

A conductor of resistance 3 ohm is stretched uniformly till its length is doubled. The wire now is bent in the form of an equilateral Delta. The effective resistance between the ends of any side of the Delta in ohms is

A resistance R is stretched to four times its length. Its new resistance will be

If a wire of resistance 25Omega is uniformly stretched until its length becomes three times its original length then its new resistance is

If a wire of resistance 1Omega is stretched to double its length, then the resistnance will become