engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Physics Electric Fields and Gauss' Law The Electric Field Due to Line of Charge
Consider the magnitude of electric field E at a point at distance r due to an infinitely long straight wire charged with a uniform charge density λ. Then for a given λ.
1
E ∝ r
2
\(\rm E \propto \frac{1}{r}\)
3
\(\rm E \propto \frac{1}{r^2}\)
4
\(\rm E \propto \frac{1}{r^3}\)