Electrostatics: JEE Main 2025 Physics question

JEE Main 2025 · 7 Apr, Evening shift · Q41

JEE Main 20257 Apr, Evening shiftPhysicsMediumElectrostatics167× since 2002

A dipole with two electric charges of

2\ \mu

C magnitude each, with separation distance

0.5\ \mu

m, is placed between the plates of a capacitor such that its axis is parallel to an electric field established between the plates when a potential difference of 5 V is applied. Separation between the plates is 0.5 mm. If the dipole is rotated by

30^\circ

from the axis, it tends to realign in the direction due to a torque. The value of torque is :

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