In a house 2 bulbs of 50w each are used for 5 hours a day and two 70w fans are used 10hours a day. calculate the units consumed in a month of 30 days
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Question:
In a house 2 bulbs of 50w each are used for 5 hours a day and two 70w fans are used 10hours a day. calculate the units consumed in a month of 30 days?
ANSWER:
Power of each bulb = 50W= 0.05 KW
Power of both the bulbs=2 × 0.05=0.1 KW
Units used by the bulbs in a day
= 0.1 × 5
= 0.5 units
Power of each fan ÷ 70W = 0.07KW
Power consumed by both fans
= 0.07 × 2
= 0.14
Units used by the fans in a day
= 0.14 × 10
= 1.4 units
Total units consumed in a day
= 0.5+1.4
= 1.9 units
Units of energy consumed in a month of 30 days
= 30 × 1.9
= 57 units
ans. therefore 57 units of electricity is consumed in a month in the house.
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