The number density of free electrons in copper is nearly 8 × 10²⁸ ~m⁻³. A copper wire has its area of cross section =2 × 10⁻⁶ ~m² and is carrying a current of 3.2 ~A. The drift speed of the electrons is _ _ _ _ _ _ × 10⁻⁶ ms⁻¹

Current Electricity: JEE Main 2023 Physics question

JEE Main 2023 · 8 Apr, Evening shift · Q59

JEE Main 20238 Apr, Evening shiftPhysicsMediumCurrent Electricity150× since 2002

The number density of free electrons in copper is nearly

8 \times 10^{28} \mathrm{~m}^{-3}

. A copper wire has its area of cross section

=2 \times 10^{-6} \mathrm{~m}^{2}

and is carrying a current of

3.2 \mathrm{~A}

. The drift speed of the electrons is ___________

\times 10^{-6} \mathrm{ms}^{-1}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Current Electricity Question with Answer (8 Apr Evening shift, Q59) | JEE Arc