RRB Technician Grade 3 practice question
An electric heater of 2 kW is used for 3 hours a day for 30 days. If the tariff is ₹5 per unit, the electricity bill for the heater is
From a RRB Technician Grade 3 Science practice set · Science
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Correct answer: (C) ₹900
Units consumed = 2 kW × 3 h × 30 = 180 kWh. Cost = 180 × 5 = ₹900.
हिंदी में प्रश्न
2 kW సామర్థ్యం గల ఒక విద్యుత్ హీటర్ను రోజుకు 3 గంటల చొప్పున 30 రోజులు వాడారు. యూనిట్కు ₹5 చొప్పున అయితే హీటర్కు అయ్యే విద్యుత్ బిల్లు ఎంత?
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सही उत्तर: (C) ₹900
వినియోగించిన యూనిట్లు = 2 × 3 × 30 = 180 kWh. ఖర్చు = 180 × 5 = ₹900.
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