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प्रश्न
It is said that the separation between the two charges forming an electric dipole should be small. In comparison to what should this separation be small?
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उत्तर
The separation between the two charges forming an electric dipole should be small compared to the distance of a point from the centre of the dipole at which the influence of the dipole field is observed.
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संबंधित प्रश्न
Depict the equipotential surfaces due to an electric dipole.
Derive an expression for the intensity of electric field at a point in broadside position or on [4)
an equatorial line of an electric dipole.
An electric dipole of length 1 cm, which placed with its axis making an angle of 60° with uniform electric field, experience a torque of \[6\sqrt{3} Nm\] . Calculate the potential energy of the dipole if it has charge ±2 nC.
In which orientation, a dipole placed in a uniform electric field is in (i) stable, (ii) unstable equilibrium?
Answer the following question.
Derive an expression for the electric field at any point on the equatorial line of an electric dipole.
Answer the following question.
What is the unit of dipole moment?
Two charges + 3.2 x 10-19 C and --3.2 x 10-19 C placed at 2.4 Å apart to form an electric dipole. lt is placed in a uniform electric field of intensity 4 x 105 volt/m. The electric dipole moment is ______.
Dimensions of mass in electric field and in electric dipole moment are respectively.
The electric field at a point on the equatorial plane at a distance r from the centre of a dipole having dipole moment `vec "p"` is given by, (r >> separation of two charges forming the dipole, `epsilon_0 - ` permittivity of free space) ____________.
Polar molecules are the molecules ______.
Two charges –q each are fixed separated by distance 2d. A third charge q of mass m placed at the mid-point is displaced slightly by x(x << d) perpendicular to the line joining the two fixed charged as shown in figure. Show that q will perform simple harmonic oscillation of time period.
`T = [(8pi^3 ε_0 md^3)/q^2]^(1/2)`
The electric potential V as a function of distance X is shown in the figure.
The graph of the magnitude of electric field intensity E as a function of X is ______.
When a dipole is aligned with the external electric field (θ = 0°), the potential energy is:
When a dipole is anti-aligned with the external electric field (θ = 180°), the potential energy is:
A dipole is perpendicular to an external electric field (θ = 90°). What are the torque and potential energy?
On the equatorial line of a dipole (θ = 90°), the electric potential is:
A configuration consists of charges +q, −2q, and +q at the vertices of an equilateral triangle with side length 2l. Treating this as a combination of two dipoles, what is the net dipole moment?
