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what is the commercial unit of electricity consumed? how it is related to si unit of energy? a geyser of 2.5kw is used for 6 hours daily. calculate the cost of electricity consumed in 10 days if the rate per unit is Rs.4?

what is the commercial unit of electricity consumed? how it is related to si unit of energy? a geyser of 2.5kw is used for 6 hours daily. calculate the cost of electricity consumed in 10 days if the rate per unit is Rs.4?

Grade:9

1 Answers

smriti
29 Points
4 years ago
The commercial unit of electricity consumed is kWh,i.e kilowatt hour.The S.I unit of energy is joule,so 1 kWh=3.6 × 1000000J.Further your numerical is solved below-The energy consumed by gyeser in 1 day=2.5kW × 6 h i.e 15kWh then total energy in 10days will be 15kWh ×10 i.e 150 kWh.further,the cost of electricity at the rate of ₹4 per unit will be 150 × 5 =₹750

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