An electric furnace operates at constant power

PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity

Problem

An electric furnace operates at constant power. During a month it is switched on for 66 hours each day for 2525 days and consumes a total of 270 kWh270\,\text{kWh} of electrical energy. What is the rated power of the furnace? (a) 45 kW45\,\text{kW} (b) 1.5 kW1.5\,\text{kW} (c) 1.8 kW1.8\,\text{kW} (d) 10.8 kW10.8\,\text{kW}

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