Question

What is Potential difference in simple words?

Answer 1

1. Potential difference is the difference in potential between two points in a conservative vector field.
2. The potential between two points $\left(V\right)$ is defined as the amount of work done $\left(\mathrm{W}\right)$ by an external agent in moving a unit charge $\left(\mathrm{Q}\right)$ from one point to another.
3. The mathematical form of potential difference
   $\mathrm{Electrical}\mathrm{potential}\mathrm{difference}=\frac{\mathrm{work}\mathrm{done}\left(W\right)}{\mathrm{charge}\left(Q\right)}$
4. The unit of potential difference is Volt (V).
   $1\mathrm{volt}=\frac{1\mathrm{joule}}{1\mathrm{coulomb}}$