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| 1. |
Explain potential difference |
| Answer» Electric current is the flow of charged particles in a conductor. The electrons move only if there is a difference called the potential difference along the conductor. The difference of potential can be produced by a battery consisting of one or more cell.We define electric potential difference between two points in an electric circuit carrying some current, as the work done to move a unit charge from one point to the other-V=W/QWhere V = potential difference between two pointsW =Work doneQ=chargeSI unit is volt (V). | |