Physics

Problem

A charge of

2\,\text{C}

is moved from point M to point N by an external force that does

-6\,\text{J}

of work. Calculate the potential difference

V_N - V_M

. a)

+3\,\text{V}

-12\,\text{V}

-3\,\text{V}

-6\,\text{V}