NEETPhysics-Electricity

NEET Physics Internal Resistance of Cells MCQ Question

Type: MCQ-conceptual-Medium-Class 12

A cell having an emf ε and internal resistance r is connected across a variable external resistance R. As the resistance R is increased, the plot of potential difference V across R is given by

Question diagram

Correct Answer

Option B

Detailed Explanation

As R increases, the potential difference V approaches the emf ε, which is represented by the graph in option (2).

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