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Asked: April 25, 20202020-04-25T11:52:26+05:30 2020-04-25T11:52:26+05:30In: Numericals (All papers)

What is that heat transfer during the charging process_________?

A fully charged car battery gradually discharges while lying on the shelf at a constant
temperature. During discharge, it loses 250 kcal to the environment. The battery is then recharged slowly to its initial state. The charging process consumers 0.53 kWh of electricity. What is that heat transfer during the charging process _____(kJ)

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    1. digbijaya igit Platinum GATE 2021 QUALIFIED
      2020-05-07T08:33:44+05:30Added an answer on May 7, 2020 at 8:33 am

      826kj

      826kj

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      • metalbat
        2021-09-21T13:09:00+05:30Replied to answer on September 21, 2021 at 1:09 pm

        Charging : 0.53 kWh = 19.08e5 J Discharging : 250 kcal = 10.45e5 J subtracted = 8.63e5 J = 863 kJ

        Charging : 0.53 kWh = 19.08e5 J
        Discharging : 250 kcal = 10.45e5 J

        subtracted = 8.63e5 J = 863 kJ

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