In a residency an electric iron of 500w is used for two hours daily and 5tube lights of 40w each are used for 5 hours daily.find the total energy consumed in a month of thirty days.
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5 tubes of 40 W each=40×5=200W/h=200÷1000kWh=0.2kWh. (since energy is calculated in kWh)
electric press of 500W=500×4=2000W/h=2kWh
Now ,
power consumption of 5 tubes in 30 days=30×0.2=6kWh
power consumption of 1 press in 30 days=30×2=60kWh
Total energy consumed by tube lights and press in 30 days=60+6=66kWh
electric press of 500W=500×4=2000W/h=2kWh
Now ,
power consumption of 5 tubes in 30 days=30×0.2=6kWh
power consumption of 1 press in 30 days=30×2=60kWh
Total energy consumed by tube lights and press in 30 days=60+6=66kWh
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