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Two students perform experiments on series and parallel combinations of two given resistors `R_1 and R_2` and plot the following V - I graphs [Fig. 5.24.]. Which of the graphs is/are correctly labeled in terms of the words 'series' and 'parallel'? Justify your answer.

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We know that the resistance `(R_s)` in series combination of two resistors is more than the resistance `(R_p)` in parallel combination of the same two resistors, i.e., `R_s gt R_p`. As `I = V//R`, for a given pd (V), `I_s lt I_p` . In both the graphs, for a given pd (v) across each combination, `i_s lt I_p`. Hence, both the graphs are properly labelled.
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