An electric heater of 1500w is switched on for 10hours the electric energy consumed by the heater is
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p = 1500w
time = 10h = 10×3600 = 36000s
energy = 1500×36000 = 54000000 J = 54 mega Joule
time = 10h = 10×3600 = 36000s
energy = 1500×36000 = 54000000 J = 54 mega Joule
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