The electric potential at the centre of two concentric half rings of radii $R_1$ and $R_2$, having same linear charge density $\lambda$ is
The electric potential at the centre of two concentric half rings of radii $R_1$ and $R_2$, having same linear charge density $\lambda$ is
- [JEE MAIN 2023]
- A
$\frac{2 \lambda}{\epsilon_0}$
- B
$\frac{\lambda}{2 \epsilon_0}$
- C
$\frac{\lambda}{4 \epsilon_0}$
- D
$\frac{\lambda}{\epsilon_0}$
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