A semicircular arc of radius R is charged uniformly and its linear charge density is $λ$. What will the electric field be at its centre? |
$λ/(2 π ε_0 R)$ $λ/(4 π ε_0 R) $λ/(2 π^2 ε_0 R)$ $λ^2πR/ ε_0$ |
$λ/(2 π ε_0 R)$ |
The correct answer is Option (1) → $λ/(2 π ε_0 R)$ |