During an early-morning period

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

Problem

During an early-morning period, the following appliances are used: • Geyser: 2.0 kW, 06:00–07:00 h • Microwave oven: 1.2 kW, 06:30–07:00 h • Electric iron: 1.0 kW, 06:45–07:15 h What is the maximum (peak) load on the household supply during this interval? (a) 3.2 kW3.2\,\text{kW} (b) 4.2 kW4.2\,\text{kW} (c) 2.5 kW2.5\,\text{kW} (d) 4.0 kW4.0\,\text{kW}

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