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`        what is ment by potential difference ? what is ment by higher potential and lower potential ? why do electrons flow from lower potential to higher potential ?`
7 years ago

## Answers : (1)

NIKHIL GARG
38 Points
```										Electric potential is a location dependent quantity which expresses the amount  of potential energy per unit of charge at a specified location.
The electric potential difference is the difference in electric potential (V)  between the final and the initial location when work is done upon a charge to  change its potential energy.
The standard metric unit on electric potential difference is  the volt, abbreviated V.
When a Coulomb of charge (or any given amount of charge) possesses a relatively  large quantity of potential energy at a given location, then that location is  said to be a location of high electric potential. And similarly, if a Coulomb of  charge (or any given amount of charge) possesses a relatively small quantity of  potential energy at a given location, then that location is said to be a  location of low electric potential.
Electricity and water are very different things, and they flow for different  reasons, but there are enough similarities that comparing the two can help you  imagine, understand, and remember what is happening in an electrical circuit.  For example, water will flow from a high place to a low place, if there's  nothing blocking it from doing so. It flows for the same reason - gravity. Electrical charge also flows when it can move from someplace with a higher  potential energy to someplace where it will have a lower potential energy. This  change in potential energy is due to an electrical field, instead of a  gravitational field. The fact that electrical charges will move, if they can, to  a place with a lower electrical potential energy is one of those basic laws of  the universe, like gravity.
```
7 years ago
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