Question

Electric field at the centre of a uniformly charged semicircle of radius a is

• A. $\frac{\lambda}{2\pi\varepsilon_{0}a^{2}}$
• B. $\frac{\lambda}{4\pi^{2}\varepsilon_{0}a^{2}}$
• C. $\frac{\lambda^{2}}{2\pi\varepsilon_{0}a}$
• D. $\frac{\lambda}{2\pi\varepsilon_{0}a}$

Answer 1

Answer: (D)

$\frac{\lambda}{2\pi\varepsilon_{0}a}$

Answer 2