Find the force experienced by the semicircular rod charged with a charge $q$, placed as shown in figure. Radius of the wire is $R$ and the line of charge with linear charge density $\lambda $ is passing through its centre and perpendicular to the plane of wire.
Find the force experienced by the semicircular rod charged with a charge $q$, placed as shown in figure. Radius of the wire is $R$ and the line of charge with linear charge density $\lambda $ is passing through its centre and perpendicular to the plane of wire.
- A
$\frac{{\lambda q}}{{2{\pi ^2}{\varepsilon _0}R}}$
- B
$\frac{{\lambda q}}{{{\pi ^2}{\varepsilon _0}R}}$
- C
$\frac{{\lambda q}}{{4{\pi ^2}{\varepsilon _0}R}}$
- D
$\frac{{\lambda q}}{{4\pi {\varepsilon _0}R}}$
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