Understanding the Concepts

* Potential Difference (Voltage): The potential difference between two points is the work done per unit charge to move a charge from one point to the other. It's measured in volts (V).

* Work: Work is done when a force causes a displacement. In the context of electricity, work is done when a charge is moved through an electric field.

Formula

The work done (W) in moving a charge (q) across a potential difference (V) is given by:

W = q * V

Calculation

* q = 2 C (charge)

* V = 12 V (potential difference)

W = 2 C * 12 V = 24 J (joules)

Answer

The work done in moving a charge of 2 C across two points having a potential difference of 12 volts is 24 joules.