AP Police SI practice question
An electric heater of 1,500 W is used for 4 hours every day. How many units of electricity will it consume in 30 days?
From a AP Police SI Science practice set · Science
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Correct answer: (C) 180
Energy = 1.5 kW × 4 h × 30 = 180 kWh. One unit of electricity = 1 kilowatt-hour, so 180 units are consumed.
हिंदी में प्रश्न
1,500 W సామర్థ్యం గల ఒక ఎలక్ట్రిక్ హీటర్ను ప్రతిరోజూ 4 గంటలు వాడితే, 30 రోజులలో ఎన్ని యూనిట్ల విద్యుత్ ఖర్చవుతుంది?
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सही उत्तर: (C) 180
1.5 kW × 4 గం × 30 రోజులు = 180 kWh. ఒక యూనిట్ = 1 kWh కావున 180 యూనిట్లు.
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