When a resistance of 2 ohms is connected across the terminals of a cell the current is 0.5 amperes,when the resistance is increased to 5 ohms, the current is 0.25 amperes. find emf.
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if the two resistance are connected to a circuit then the current will e 3 ampere
mira74:
sorry but the question demands for emf not the current
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hope it will help you
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hi dear
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