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प्रश्न
An electric geyser is rated 2000 W – 200 V and operates 2.0 hours daily. If the energy cost ₹ 7.50 per kWh, the weekly bill of the geyser is:
पर्याय
₹ 210.00
₹ 200.50
₹ 198.50
₹ 220.00
MCQ
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उत्तर
₹ 210.00
Explanation:
The geyser uses $$2\ \mathrm{kW} \times 2.0\ \mathrm{h} \times 7 = 28\ \mathrm{kWh}$$ in a week.
Bill = 28 × ₹ 7.50 = ₹ 210.00
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