Physics

Problem

+2.0\,\mu\text{C}

test charge is moved slowly from a point where the electric potential is

12\,\text{V}

to a point where the potential is

5.0\,\text{V}

. How much work must an external agent do on the charge? a)

+10\,\mu\text{J}

+14\,\mu\text{J}

+7\,\mu\text{J}

-14\,\mu\text{J}