an electric heater is rated 1500w. how much energy does it use in 10 hrs.express your answer kwt and joules.
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the energy consumed=15000 kWh
=15000*3.6*10^6j
=18*10^9j
=1.8*10^10j
=15000*3.6*10^6j
=18*10^9j
=1.8*10^10j
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