how many joules of electrical energy are consumed if the electrical meter shows 400 units of energy?
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1 unit = 1kW h = 3.6 x 106 J
400 units = 400 x 3.6 x 106 J
= 1.44 x 109 J...
Hope it helps...
400 units = 400 x 3.6 x 106 J
= 1.44 x 109 J...
Hope it helps...
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