b. If a 1200 W electric iron is used
daily for 30 minutes, how much
total electricity is consumed in the
month of April? (Ans:18 Unit)
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10
Answer:
18 Units
Explanation:
Power = 1200 W
Time = 30 minutes = 30/60 hours = 0.5 hours
No. of days in the month of April = 30
Electricity consumed in 1 day
= Power × Time
= 1200 W × 0.5 H
= 600 WH
Electricity consumed in the month of April
= 600 WH × 30
= 18000 WH
= 18000/1000 Units
= 18 Units
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