Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

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?

Options:

$λ/(2 π ε_0 R)$

$λ/(4 π ε_0 R)

$λ/(2 π^2 ε_0 R)$

$λ^2πR/ ε_0$

Correct Answer:

$λ/(2 π ε_0 R)$

Explanation:

The correct answer is Option (1) → $λ/(2 π ε_0 R)$