Question

find the energy in kwh comsumed in 10 hours by 4devices of power 500w each

Answer 1

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Divyankasc

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Power consumed by each device = 500W = 0.5 kW

Energy consumed by each one in 10 hours -

Power = Energy / Time

0.5 = Energy / 10

Energy = 10 × 0.5

Energy = 5 kWh

Therefore, power consumed by 4 such devices = 4 × 5 kWh

= 20 kWh

= 20 unit