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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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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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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 29: Electric Field and Potential - Short Answers [पृष्ठ ११९]

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एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
अध्याय 29 Electric Field and Potential
Short Answers | Q 12 | पृष्ठ ११९

संबंधित प्रश्न

Depict the orientation of the dipole in (i) stable, (ii) unstable equilibrium in a uniform electric field.


Depict the equipotential surfaces due to an electric dipole. 


Find the resultant electric field due to an electric dipole of dipole moment, 2aq, (2a being the separation between the charges ±± q) at a point distant 'x' on its equator.


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?


An electric dipole is placed in an electric field generated by a point charge.


Two-point charges Q1 = 400 μC and Q2 = 100 μC are kept fixed, 60 cm apart in a vacuum. Find the intensity of the electric field at the midpoint of the line joining Q1 and Q2.  


An electric dipole is placed at an angle of 30° with an electric field intensity of 2 × 105 N/C. It experiences a torque equal to 4 Nm. The charge on the dipole, if the dipole length is 2 cm, is ______.


Dimensions of mass in electric field and in electric dipole moment are respectively.


The electric field at a point on equatorial line of a dipole and direction of the dipole moment ______.

An electric dipole will experience a net force when it is placed in ______.

The formation of a dipole is due to two equal and dissimilar point charges placed at a ______.

The ratio of the weight of a man in a stationary lift and in a lift accelerating downwards with a uniform acceleration α is 3 : 2. The acceleration of the lift is: 


The region surrounding a stationary electric dipole has ______ 


Electric dipole consists of two charges of magnitude 0.1 µC separated by a distance of 2 cm. The dipole is in 5 an external field of 105 N/C. What maximum torque does the field exert on the dipole?


Polar molecules are the molecules ______.


Polar molecules are the molecules ______.


What work must be done to rotate an electric dipole through an angle θ with the electric field, if an electric dipole of moment p is placed in a uniform electric field E with p parallel to E?


In an electric dipole, what is the locus of a point having zero potential?


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