Jee Main
Current Electricity
JEE Main 2022 (Online) 25th July Morning Shift
INTEGER+4 / -12022
Eight copper wire of length \(l\) and diameter \(d\) are joined in parallel to form a single composite conductor of resistance \(R\). If a single copper wire of length \(2 l\) have the same resistance \((R)\) then its diameter will be ____________ d.