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23 November, 20:06

How long will it take to heat 3kg of water from 28c to 88c in an electric kettle taking a current of 6 ampere from am emf source of 220 volt

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  1. 23 November, 21:42
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    0.04s

    Specific heat of water c = 4.186J/g. C

    The heat energy it would take to heat up 0.5 kg of water from 30C to 72 C is

    If the power of the electric kettle is 2.2kW (or 2200W) and suppose the work efficiency is 100%, then the time it takes to transfer that power i
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