An electric dipole is formed by two equal and opposite charges q with separation d . The charges have same mass m. It is kept in a uniform electric field E . If it is slightly rotated from its equilibrium orientation, then its angular frequency ω is:

Question

An electric dipole is formed by two equal and opposite charges q with separation d . The charges have same mass m. It is kept in a uniform electric field E . If it is slightly rotated from its equilibrium orientation, then its angular frequency ω is:, 2 q E m d, 2 q E m d, q E 2 m d, q E m d

MARKS App · Accepted Answer

τ = p E sin ⁡ θ For small angle, τ = p E θ α = τ I = p E I θ ∵ α = ω 2 θ Angular frequency = p E I = q d E m d 2 4 + m d 2 4 = 2 q E m d

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