Question

what is mean by potential difference?

Answer 1

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Potential Difference=> The amount of work energy required to move an electric charge from one point to another.

➡ The unit of potential difference is the volt.

➡ The observed difference in voltage between any two points in an open circuit.

➡ V=IR is used to find the potential difference in volts between two points on an electrical circuit.

➡ If the electric potential difference between two locations is 1 volt then one Coulomb of charge will gain 1 joule.

Answer 2

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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/Q

Where V = potential difference between two points

W =Work done

Q=charge

SI unit is volt (V).