Pick any two points in space and the following would be true: This isn't wrong, but it is just for the special case where the work is zero. A Different Approach Why do we need a different approach?

Potential difference (or voltage) is a measure of energy, per unit of charge, transferred between two points in a circuit. A potential difference of 1 volt means that 1 joule of work is done per ...

Potential difference (or voltage) is a measure of energy, per unit of charge, transferred between two points in a circuit. A potential difference of 1 volt means that 1 joule of work is done per ...