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# What is the potential difference ? Explain and give its unit with definition.

Last updated date: 18th Mar 2023
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Hint: Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit. Potential difference $\left( {p.d.} \right)$ is measured in volts $\left( V \right)$ and is also called voltage.

The work required to transfer a charge from one point to another is described as potential difference. For a charge to pass between two points, there must be a potential difference in current. The potential energy difference per unit charge or voltage is another term for it. The Volt is the unit of potential difference $\left( V \right)$.
$1{\text{ }}Joule/Coulomb{\text{ }} = {\text{ }}1{\text{ }}Volt$
The volt is the SI unit for potential difference$\left( V \right)$ . $1{\text{ }}volt$ = The potential difference between two points in a current carrying conductor when $1{\text{ }}joule$ of work is performed to transfer a charge of $1{\text{ }}coulomb$ from one point to the other.