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Solve the following.
Many identical cells, each of an emf of 1.5V and an internal resistance of , are available…
(a)[1.0]
Many identical cells, each of an emf of 1.5V and an internal resistance of $2\Omega$, are available. Calculate the minimum number of cells required to form a battery having an emf of 6V and internal resistance of $4\Omega$.
(b)[1.0]
Draw a labelled diagram of the arrangement.
Draw: the arrangement
Answer
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From ISC 2026 Improvement Physics Paper 1, question 3(ii).