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The graph below shows how temperature of a 40kg of a substance varied with time as it was heated steadily by electrical means. The heating coil...

      

The graph below shows how temperature of a 40kg of a substance varied with time as it was heated steadily by electrical
means. The heating coil carried a current of 16A at a potential difference of 22V.
5312019957.png
i) What is happening to the substance at AB?
ii) Determine the specific heat capacity of the substance in solid state.

  

Answers


sharon
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sharon kalunda answered the question on May 31, 2019 at 07:04


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