Question

What is voltage?

Answer 1

Is the electric potential difference between two points.

Answer 2

voltage is another name for electrical potential difference(V) between two points, it is the work done(W) in displacing unit charge(q) from one point to another.\[V =\frac{ W }{ q }\]

Answer 3

Is a way to understand how much work you did on a charge, but independently from the charge (that's y you divide by the unit charge).