Physics

Problem

At an electric sub-station, an ideal transformer feeds

11\,\text{kW}

of power from a

220\,\text{V}

distribution line into a transmission line at

11\,\text{kV}

. a. (i) Determine the current in the high-voltage transmission line. b. (ii) Briefly explain how transmitting power at this higher voltage helps to reduce resistive power losses in the line.

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