A current of 10A exists in a wire of cross-sectional area of 5 mm² with a drift velocity of 2 × 10⁻³ ms⁻¹. The number of free electrons in each cubic meter of the wire is _ _ _ _ _ _.

Current Electricity: JEE Main 2021 Physics question

JEE Main 2021 · 17 Mar, Morning shift · Q6399

JEE Main 202117 Mar, Morning shiftPhysicsEasyCurrent Electricity150× since 2002

A current of 10A exists in a wire of cross-sectional area of 5 mm² with a drift velocity of 2

\times

10^

-

3 ms^

-

1. The number of free electrons in each cubic meter of the wire is ___________.

JEE Main 2021 · 17 Mar, Morning shift · Q6399

JEE Main 202117 Mar, Morning shiftPhysicsEasyCurrent Electricity150× since 2002

A current of 10A exists in a wire of cross-sectional area of 5 mm² with a drift velocity of 2

\times

10^

-

3 ms^

-

1. The number of free electrons in each cubic meter of the wire is ___________.