The potential at a point is defined as the amount of work done in bringing a unit positive charge from infinity to that point.what does this means?
Asked by priyadarshini sahoo | 23rd Dec, 2012, 05:25: PM
Suppose if we raise an object from ground to a certain height then the work we do against gravity is stored as PE in the body.
So every time we do some work on a body against some force is stored in it as energy.
In case of electric field, potential at point say P in the electric field willbe:
The influence of the charged conductor A is felt upto the bigger circle shown.
To bring any charge to point P we need to work against the electric field of the chaged A.That work will be stored at P .Potential of point P will be the work done in bringing every unit charge (+ve)to P.
Answered by | 24th Dec, 2012, 03:23: PM
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