Question

Which internal resistance is minimum for which cell?

Answer 1

Find the minimum number of cells require to produce an electric current of 1.5 A through a resisitance of 30 ohms, given that emf and internal resistance of each cell are 1.5 V and 1 ohm respectively.

Answer 2

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The internal resistance (IR) of a battery is defined as the opposition to the flow of current within the battery.