A battery has an emf ɛ and an internal resistance r. It is connected to an external resistor R. When R = 4.5 N the terminal potential difference is 13.01V. When R = 8.5 N the terminal potential difference is 13.71V. Find ɛ and r. V r =

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A battery has an emf ɛ and an internal resistance r. It is connected to an external resistor R. When R = 4.5 N the terminal potential
difference is 13.01V. When R = 8.5 N the terminal potential difference is 13.71V. Find e and r.
V
= 3
r =
Transcribed Image Text:A battery has an emf ɛ and an internal resistance r. It is connected to an external resistor R. When R = 4.5 N the terminal potential difference is 13.01V. When R = 8.5 N the terminal potential difference is 13.71V. Find e and r. V = 3 r =
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