in a household, five tube light of 40w each are use for 5 hours and an electric press of 500w for 4 hours everyday . calculate the total electrical energy consumed by the tube light?
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here is ur answer
5 bulbs of 4ow each used for 5hr:
5*40w*5/1000
therefore 5*40w*5/1000=10001kwh
electric press for 4 hr and 500w:
5*40w*5/1000=2kwh
total energy for 30 days:1*30=30 units for bulbs
total energy for electric press for 30 days:
2*30=60 units
total energy=30+60=90units
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