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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 3 - Current Electricity > The emf of a cell is ϵ and its internal resistance is r. Its terminals are connected to a resistance R. The potential difference between the terminals is 1.6 V for R=4Ω, and 1.8 V for R=9Ω. Then

The emf of a cell is ϵ and its internal resistance is r. Its terminals are connected to a resistance R. The potential difference between the terminals is 1.6 V for R=4Ω, and 1.8 V for R=9Ω. Then

and 1.8 V for R=9Ω. Then The emf of a cell is ϵ and its internal resistance is r. Its terminals are connected to a resistance R. The potential difference between the terminals is 1.6 V for R=4Ω