RRB JE practice question
An electric heater rated 2 kW is used for 3 hours daily. How many units (kWh) of electricity does it consume in the month of April?
From a RRB JE Science practice set · Science
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Correct answer: (C) 180 units
Daily consumption = 2 kW × 3 h = 6 kWh. April has 30 days, so 6 × 30 = 180 kWh, i.e. 180 units.
हिंदी में प्रश्न
2 kW సామర్థ్యం గల ఒక ఎలక్ట్రిక్ హీటర్ను రోజుకు 3 గంటలు వాడితే, ఏప్రిల్ నెలలో అది ఎన్ని యూనిట్ల (kWh) విద్యుత్ను వినియోగిస్తుంది?
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सही उत्तर: (C) 180 units
రోజుకు 2 × 3 = 6 kWh; ఏప్రిల్లో 30 రోజులు కావున 6 × 30 = 180 యూనిట్లు.
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