An electric dipole with dipole moment 4 × 10⁻⁹ C m is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 10⁴ N C⁻¹. Calculate the magnitude of the torque acting on the dipole.

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Solution

Electric dipole moment, p = 4 × 10⁻⁹ C m

Angle made by p with a uniform electric field, θ = 30°

Electric field, E = 5 × 10⁴ N C⁻¹

Torque acting on the dipole is given by the relation,

τ = pE sinθ

Therefore, the magnitude of the torque acting on the dipole is 10⁻⁴ N m.

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An electric dipole with dipole moment 4 × 10−9 C m is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 104 N C−1. Calculate the magnitude of the torque acting on the dipole.

Electric dipole moment, p = 4 × 10−9 C m Angle made by p with a uniform electric field, θ = 30° Electric field, E = 5 × 104 N C−1 Torque acting on the dipole is given by the relation, τ = pE sinθ Therefore, the magnitude of the torque acting on the dipole is 10−4 N m.

An electric dipole with dipole moment 4 × 10⁻⁹ C m is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 10⁴ N C⁻¹. Calculate the magnitude of the torque acting on the dipole.

Electric dipole moment, p = 4 × 10⁻⁹ C m

Angle made by p with a uniform electric field, θ = 30°

Electric field, E = 5 × 10⁴ N C⁻¹

Torque acting on the dipole is given by the relation,

τ = pE sinθ

Therefore, the magnitude of the torque acting on the dipole is 10⁻⁴ N m.