The bob of a simple pendulum has mass 2g and a charge of… — JEE Main 2019 Physics PYQ

JEE Main 2019 · 8 Apr · Shift I

The bob of a simple pendulum has mass 2g and a charge of 5.0μC. It is at rest in a uniform horizontal electric field of intensity 2000 V/m. At equilibrium, the angle that the pendulum makes with the vertical is (take

g = 10 \text{ m/s}^2

)

A.
$\tan^{-1}(2.0)$
B.
$\tan^{-1}(0.2)$
C.
$\tan^{-1}(5.0)$
D.
$\tan^{-1}(0.5)$

Show answer

Correct option: D

[JEE Main 2019 · 8 Apr · Shift I]

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