Question
A conductor wire having $10^{29}$ free electrons/m$^{3}$ carries a current of 20 A. If the cross-section of the wire is 1 mm$^{2}$, then the drift velocity of electrons will be (e = $1.6 \times 10^{-19}$ C).
A conductor wire having $10^{29}$ free electrons/m$^{3}$ carries a current of 20 A. If the cross-section of the wire is 1 mm$^{2}$, then the drift velocity of electrons will be (e = $1.6 \times 10^{-19}$ C).