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- The bob of a simple pendulum has mass \( 2 \mathrm{~g} \) and a charge of \( 5.0 \mu \mathrm{C} \). It is at rest in a uniform horizontal electric
P field of intensity \( 2000 \mathrm{~V} / \mathrm{m} \). At equilibrium, the angle

W that the pendulum makes with the vertical is \( \left(\right. \) Take \( \left.\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{\mathrm{s}}\right) \)
[JEE Main-2019 (April)]
(1) \( \tan ^{-1}(5.0) \)
(2) \( \tan ^{-1}(2.0) \)
(3) \( \tan ^{-1}(0.5) \)
(4) \( \tan ^{-1}(0.2) \)
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