A simple pendulum has a bob with mass m and charge q. The pendulu… | JEE Main 2026 Physics PYQ

MCQEasyJEE Main 2026 · 22 January, Shift 1Electric Field & Field Lines

A simple pendulum has a bob with mass $m$ and charge $q$ . The pendulum string has negligible mass. When a uniform and horizontal electric field $\vec{E}$ is applied, the tension in the string changes. The final tension in the string, when pendulum attains an equilibrium position is _____.

( $g$ : acceleration due to gravity)

A
$\sqrt{m^2 g^2 - q^2 E^2}$
B
$\sqrt{m^2 g^2 + q^2 E^2}$
C
$mg + qE$
D
$mg - qE$

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