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A resistance of 4Ω and a wire of length 5 metres and resistance 5Ω are joined in series and connected to a cell of emf 10 V and internal resistance 1Ω. A parallel combination of two identical cells is balanced across 300 cm of the wire. The emf E of each cell is

Answer» A resistance of 4Ω and a wire of length 5 metres and resistance 5Ω are joined in series and connected to a cell of emf 10 V and internal resistance 1Ω. A parallel combination of two identical cells is balanced across 300 cm of the wire. The emf E of each cell is



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