Page 747 - SUBSEC October 2017_Neat
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(d) Determine the slope of your graph plotted in Part (c).
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[2 marks]
(e) Compare the value obtained in Part (d) with the theoretical value, S = Δt/mRC, where C is
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the specific heat capacity of water. Comment on your result.
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[2 marks]
Total 15 marks
2. The circuit in Figure 2 has been set up with a cell of e.m.f, E, and internal resistance, r.
I E
r
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A V
R
Figure 2. Circuit diagram
One equation that is relevant to the circuit is:
V = E - Ir
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