Two cells of emf 1.5 V and 2V and internal resistance 1 ohm and 2 ohm respectively are connected in parallel to pass a current in the same direction through an external resistance of 5 ohm.
Find current through the external resistance.
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E = 2.5*2/3 = 5/3 V then I = 5/3 / 5 = 1/3A
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