When 5 V potential difference is applied across a wire of length 0.1 m, the drift speed
Channel: Doubtnut
Date: 2020-07-05

When 5 V potential difference is applied across a wire of length 0.1 m, the drift speed of electrons is `2.5 xx 10^(-4) ms ^(-1)`. If the electron density in the wire is ` 8 xx  10^(28) m^(-3)`, the resistivity of the material is close to :