Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 22 - Current Electricity > If a wire of resistnace R is melted and recasted to half of its length, then the new resistance of the wire will be

If a wire of resistnace R is melted and recasted to half of its length, then the new resistance of the wire will be

If a wire of resistnace R is melted and recasted to half of its length then the new resistance of the wire will be