Electric Charges & Fields
Class 12 · Electric Charges & Fields

Dipole SHM in Uniform Field

Oscillates with ω = √(pE/I). Includes damping for visual realism.

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Key Notes

01

For small displacements about θ=0, equation of motion: I θ̈ = −pE sinθ ≈ −pE θ.

02

This is SHM with angular frequency ω = √(pE/I).

03

Period T = 2π√(I/(pE)).

Formulas

SHM frequency

About stable equilibrium θ=0.

Period

Inverse: stronger E → faster oscillation.

Important Points

Damping (radiation, friction) makes oscillation decay; in vacuum and without coupling, it persists.

Analogous to compound pendulum: τ = −κθ form.

Dipole SHM in Uniform Field notes from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics revision for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG.