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The terminal p.d of a battery is 12 V when an external resistance of 20 Ω is connected and 13.5 V when an external resistance of 45 Ω is connected. Calculate the emf and internal resistance of the battery.
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A battery of emf 40 V and internal resistance 5 Ω is connected to a resistance of 15 Ω.Calculate the terminal p.d.
Date posted: May 11, 2021 . Answers (1)
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