Physics Paper 02 - General Proficiency

On the grid provided on page 5, plot the graph of electrical energy, E, against temperature rise, AT.

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Using your graph, calculate the slope, S, of the graph.

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What physical quantity does the slope represent?

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Use the value of the slope S, calculated in (b) on page 4, to determine the specific heat capacity of the liquid in the units Jg-1K-1. Assume there is negligible heat transferred to or from the container holding the liquid.

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How does this procedure help in minimizing error in the experiment?

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State ONE other useful precaution that the student should have taken

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Given that the power supplied to the immersion heater was kept constant at 40 W, calculate the time taken for 18.0 kJ of energy to be supplied.

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Label the parts of the cell indicated in Figure 1.

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State THREE differences between these cells.

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Calculate the charge added to the battery in Coulombs.

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