The emf of the battery shown in the figure is?
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The emf of the battery shown in the figure is 12V
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Explanation:
battery of emf E0=12V is connected across a 4 m long uniform wire having resistance 4Ω/m. The cells of small emf E1=2V and E2=4V having internal resistance 2Ω and 6Ω respectively, are connected as shown in figure.
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