The bob of a simple pendulum has mass $2\,g$ and a charge of $5.0\,\mu C$. It is at rest in a uniform horizontal electric field of intensity $2000\,\frac{V}{m}$. At equilibrium, the angle that the pendulum makes with the vertical is (take $g = 10\,\frac{m}{{{s^2}}}$)
The bob of a simple pendulum has mass $2\,g$ and a charge of $5.0\,\mu C$. It is at rest in a uniform horizontal electric field of intensity $2000\,\frac{V}{m}$. At equilibrium, the angle that the pendulum makes with the vertical is (take $g = 10\,\frac{m}{{{s^2}}}$)
- [JEE MAIN 2019]
- A
${\tan ^{ - 1}}\left( {2.0} \right)$
- B
${\tan ^{ - 1}}\left( {0.2} \right)$
- C
${\tan ^{ - 1}}\left( {5.0} \right)$
- D
${\tan ^{ - 1}}\left( {0.5} \right)$
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