Using one, two, three and then four cells in turn, measure the potential difference (V) across the cells and the current (I) flowing in the circuit.
Record the readings in a table like the one below. Draw a graph with potential difference (V) on the x-axis and the matching current (I) on the y-axis.
Number of cells
Potential difference (V)
Current (I)
V/I = ....
Conclusion
1
Discussion
Discuss the shape of the graph and write your conclusion.
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