Which of the following graph(s) is/are correct?

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Both

None of the above

answer is A.

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Detailed Solution

From the graphs, it can be concluded that graph

A

is correct.
It is known that “in a series combination, the equivalent resistance is always more than the individual resistances considered from the circuit at a time. Also, the equivalent resistance is always lesser than the individual resistances considered from the circuit at a time when it is connected in parallel combination.” Now, a greater slope in a V-I graph means that the resistance is also greater; therefore, the series combination will have a greater slope than the parallel combination. Hence, graph A is correct.

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