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Physics
Current Electricity
A certain household has consumed 250 units of energy during a month. How much energy is this in Joules?
5 X 108 J
7 X 108 J
9 X 108 J
15 X 108 J
1 unit = 1 kWh
1 kWh = 3.6 x 106 J
∴ 250 kWh = 900 x 106 J