Kcet
Electrostatics
KCET 2020
MCQ+1 / -02020
An infinitely long thin straight wire has uniform charge density of \(\frac{1}{4} \times 10^{-2} \mathrm{~cm}^{-1}\). What is the magnitude of electric field at a distance \(20 \mathrm{~cm}\) from the axis of the wire?