Neet
Current Electricity
NEET 2023 Manipur
MCQ+4 / -12023
A copper wire of radius \(1 \mathrm{~mm}\) contains \(10^{22}\) free electrons per cubic metre. The drift velocity for free electrons when \(10 \mathrm{~A}\) current flows through the wire will be (Given, charge on electron \(=1.6 \times 10^{-19} \mathrm{C}\) ) :