Drift speed of electrons, when 1.5 A of current flows in a copper wire of cross section 5 mm², is …. If the electron density in copper is 9 … 10²⁸/m³ the value of …. in mm/s is close to (Take charge of electron to be = 1.6 … 10^…19C)

Current Electricity

JEE Main 2019 · 9 Jan, Morning shift · Q6397

PhysicsMedium226×since 2002Q6397

Drift speed of electrons, when 1.5 A of current flows in a copper wire of cross section 5 mm², is

\upsilon

. If the electron density in copper is 9

\times

10²⁸/m³ the value of

\upsilon

. in mm/s is close to (Take charge of electron to be = 1.6

\times

10^

-

19C)