Four bulbs with the power of 10 W each, are lit for 30 minutes.calculate the electrical energy consumed by them.
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Answered by
5
Energy = Power*time
Energy consumed by 100 W bulb per day = 2∗100 Wh
= 0.2 kWh
Energy consumed by 40 W bulbs per day = 4∗40∗4 Wh
= 0.64 kWh
Total energy consumed per day = 0.2 + 0.64 kWh
= 0.84 kWh
Therefore, the energy consumed in 30 days = 30∗0.84 kWh
= 25.2 kWh
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Answered by
4
Answer:
25.2wkh
Explanation:
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