Physics

Problem

A generating plant supplies

500\,\text{kW}

through transmission lines whose total resistance is

1\,\Omega

. To keep the line loss below

1\%

of the transmitted power, the minimum rms transmission voltage should be a)

5\,\text{kV}

10\,\text{kV}

7\,\text{kV}

4.1\,\text{kV}