Physics

Problem

An electric furnace operates at constant power. During a month it is switched on for

6

hours each day for

25

days and consumes a total of

270\,\text{kWh}

of electrical energy. What is the rated power of the furnace? a)

45\,\text{kW}

1.5\,\text{kW}

1.8\,\text{kW}

10.8\,\text{kW}