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प्रश्न
Define dipole moment of an electric dipole. Is it a scalar or a vector?
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उत्तर
It is a vector quantity with magnitude equal to the product of either of the charge and the length of the electric dipole.
p = q (2a)
Where,
q = charge
2a=Length of the dipole
संबंधित प्रश्न
Depict the equipotential surfaces due to an electric dipole.
Write the expression for the torque \[\vec{\tau}\] acting on a dipole of dipole moment \[\vec{p}\] placed in an electric field \[\vec{E}\].
An electric dipole is placed in an electric field generated by a point charge.
An electric dipole is placed at the centre of a sphere. Mark the correct options.
(a) The flux of the electric field through the sphere is zero.
(b) The electric field is zero at every point of the sphere.
(c) The electric field is not zero anywhere on the sphere.
(d) The electric field is zero on a circle on the sphere.
Two particles A and B, of opposite charges 2.0 × 10−6 C and −2.0 × 10−6 C, are placed at a separation of 1.0 cm. Calculate the electric field at a point on the axis of the dipole 1.0 cm away from the centre.
On the axis and on the equator of an electric dipole for all points ____________.
A conic surface is placed in a uniform electric field E as shown in the figure such that the field is perpendicular to the surface on the side AB. The base of the cone is of radius R, and the height of the cone is h. The angle of the cone is θ.
Find the magnitude of the flux that enters the cone's curved surface from the left side. Do not count the outgoing flux (θ < 45°)
An electric dipole consists of charges +q and −q separated by a distance 2a. Which of the following statements about the dipole is correct?
When a dipole is anti-aligned with the external electric field (θ = 180°), the potential energy is:
