A heater is used for 10 min having a power rating 1kw 220V. Calculate the power consumed.
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Given:t = 10 min = {tex}\\frac{10}{60}{/tex}hours = 0.167 hour, and\xa0P = 1kWEnergy consumed by the heater, E\xa0= P (in kW)\xa0{tex}\\times{/tex}\xa0t (in hours){tex}\\therefore{/tex}\xa0E = (1kW)\xa0{tex}\\times{/tex}(0.167 hour) or E = 0.167 kWh