2. When an electric current passes through a wire, heat energy is produced. The thermometer reading indicates how much heat energy, H, has been produced. The table below shows the values of H, for different currents, I. Current, I (A) Heat energy, H (J) 1² a. b. d. 0 0.50 1.0 1.5 2.0 2.5 3.0 0 140 600 1400 2500 3800 5500 Does the electric current depend upon the heat energy or does the heat energy depend upon the current? Hence write down the dependent variable. Plot a full size accurate graph of the data. What is the name of the shape of this graph? Use your graph to describe the relationship between the two variables. Write a full sentence. Thermometer To power supply (00000)

2. When an electric current passes through a wire, heat energy is produced. The thermometer reading indicates how much heat energy, H, has been produced. The table below shows the values of H, for different currents, I. Current, I (A) Heat energy, H (J) 1² a. b. d. 0 0.50 1.0 1.5 2.0 2.5 3.0 0 140 600 1400 2500 3800 5500 Does the electric current depend upon the heat energy or does the heat energy depend upon the current? Hence write down the dependent variable. Plot a full size accurate graph of the data. What is the name of the shape of this graph? Use your graph to describe the relationship between the two variables. Write a full sentence. Thermometer To power supply (00000)

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