When multiple cells with the same electromotive force (emf) are connected in parallel, the overall output voltage (or equivalent emf) remains the same as the emf of a single cell.
Given:
For a parallel combination of identical cells, the equivalent emf (\(\mathcal{E}_{\text{eq}}\)) is calculated as:
\(\mathcal{E}_{\text{eq}} = \mathcal{E}\)Substituting the given value:
\(\mathcal{E}_{\text{eq}} = 1.5 \text{ V}\)Therefore, the output voltage of the parallel combination is 1.5 V.
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