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Jhansi has been using the given devices in her house. Calculate the current bill for one month @5//-"per unit." 1. 100 W TV for 12 hrs. 2. 80 W two fans for 10 hrs 3. 11 W four LED bulbs for 12 hrs. |
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Answer» Solution :Power consumption of the given DEVICES in watt HOURS. 1. TV `rArr1xx100xx12=1200WH` 2. Fans `rArr2xx80xx10=1600WH` 3. LED bulbs `4xx11xx12=528WH` Total = 3328WH 3328 WH MEANS 3.328 KWH Power consumption for 1 day = 3.328 Units. Power consumption for 30 days = 3.328xx30 99.84 U Current bill `@5//-"per unit" =99.84xx5//-=Rs 499.20//-` |
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