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The standard metric unit on electric potential difference is the volt, abbreviated V and named in honor of Alessandro Volta. One Volt is equivalent to one Joule per Coulomb.

## What is the unit for electric potential difference?

In the International System of Units (SI), electric potential is expressed in units of **joules per coulomb (i.e., volts)**, and differences in potential energy are measured with a voltmeter.

## How do you find the potential difference between two points?

The unit of potential difference generated between two points is called the Volt and is generally defined as being the potential difference dropped across a fixed resistance of one ohm with a current of one ampere flowing through it. In other words, 1 Volt equals 1 Ampere times 1 Ohm, or commonly **V = I*R**.

## What is the potential difference between A and B?

The potential difference between the points A and B is equal to **V=I×5r4**.

## What is the dimensional formula of potential difference?

Or, P.D = [M^{1} L^{2} T^{–}^{2}] × [M^{} L^{} T^{1} I^{1}]^{–}^{1} = [M^{1} L^{2} T^{–}^{3} I^{–}^{1}] . Therefore, the Potential difference is dimensionally represented as **[M ^{1} L^{2} T^{–}^{3} I^{–}^{1}]**.

## What is the electric potential between two positive charges?

If you bring two positive charges or two negative charges closer, you have to do positive work on the system, which raises their potential energy. Since potential energy is proportional to **1/r**, the potential energy goes up when r goes down between two positive or two negative charges.