Three cells of 5 V, 2.5 V and 1.5 V, and their internal resistances are 0.5 Ω, 0.05 Ω and 0.45 Ω respectively, are connected in series to form a battery. This battery is connected across a load resistance of 5 Ω. What current will be supplied by the battery? If the cell of emf 1.5 V were connected with reverse polarity then what would have been the current supplied by the battery?
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which class question is this
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