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An external resistance R is connected across a battery of e m f E and...

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An external resistance R is connected across a battery of e m f E and internal resistance r Determine the condition for which the production of heat in R will be maximum A galvanometer of resistance 45 ohm shunted with a resistance of 5 ohm is joined in series with a resistance of 84 ohm and a battery of e m f 4 5 volt having internal resistance 1 5 ohm Find the current passing through a the battery b the galvanometer and c the shunt 2 3

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