Physics

Problem

A household runs the following appliances every day: (i) a ceiling fan of

100\,\text{W}

for

10\,\text{h}

, (ii) an LED lamp of

60\,\text{W}

for

5\,\text{h}

, and (iii) a geyser of

1.2\,\text{kW}

for

30\,\text{min}

. The total electrical energy consumed per day is a)

2.2\,\text{kWh}

1.6\,\text{kWh}

1.9\,\text{kWh}

2.5\,\text{kWh}