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 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)

Electrostatics: JEE Main 2026 Physics question

JEE Main 2026 · 22 Jan, Morning shift · Q27

JEE Main 202622 Jan, Morning shiftPhysicsMediumElectrostatics167× since 2002

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)

JEE Main 2026 Electrostatics Question with Solution (22 Jan Morning shift, Q27) | JEE Arc